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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
CAS-BOT-BC136304 Xanthium strumarium
G. P. Rixford
1912-9-5
s.n.
El Dorado
Shingle Springs
Comment
CAS-BOT-BC136308 Xanthium strumarium
J. H. Thomas
1954-9-6
30082 A
Calaveras
Angels Camp
Comment
CAS-BOT-BC136310 Xanthium strumarium
Greg de Nevers
2001-7-8
12579
Lake
Clear Lake, Lake County Land Trust, Rodman Slough
475
Comment
CAS-BOT-BC136311 Xanthium strumarium
Luella Bass
1980-8-3
s.n.
Lassen
Standish
Comment
CAS-BOT-BC136312 Xanthium strumarium
Georgia Bentley
1919-10-1
s.n.
Sacramento
Sacramento
Comment
CAS-BOT-BC136313 Xanthium strumarium
Alice Eastwood
1917-10-21
6716
San Benito
The Pinnacles
Comment
CAS-BOT-BC136314 Xanthium strumarium
John H. Thomas
1960-6-25
8790
San Mateo
Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street.
7
Comment
CAS-BOT-BC136317 Xanthium strumarium
S. B. Parish
1913-2-7
4838
Riverside
Along [?] railroad track, 1 mi. south of Mecea [Mecca]
-60
Comment
CAS-BOT-BC136318 Xanthium strumarium
S. B. Parish
1913-9-20
8610
Riverside
Mecca, Salton Sink
-57
Comment
CAS-BOT-BC136319 Xanthium strumarium
S. B. Parish
1912-10-21
8360
Imperial
Colorado River bottoms, Ft [Fort] Yuma.
Comment
CAS-BOT-BC136320 Xanthium strumarium
S. B. Parish
1912-10-21
8359
Imperial
Colorado River bottoms, Ft [Fort] Yuma
Comment
CAS-BOT-BC136321 Xanthium strumarium
H. E. Packard
1916-1-1
s.n.
Imperial
Meloland, Colorado Desert
Comment
CAS-BOT-BC136323 Xanthium strumarium
J. H. Thomas
1950-4-15
1547
Santa Cruz
Along Pajaro River, just inside of county line in SE corner of county.
30
Comment
CAS-BOT-BC172585 Xanthium strumarium
Sarah J. De Groot; Aydee Virgen; Charles Land
2004-6-26
4368
San Bernardino
Whipple Mountains: Along Rio Vista Dr. near Rahun Trail. Colorado River Indian Reservation
98
Comment
CAS-BOT-BC300553 Xanthium strumarium
A. Williams; R. Brostrom; F. Leist
2013-6-8
13270
Marin
Mount Tamalpais. Marin Municipal Water District lands: Bullfrog Road, knoll north of quarry
Comment
CAS-BOT-BC382122 Xanthium strumarium
Carl D. Duncan
1920-9-22
s.n.
Humboldt
Hoopa Valley
Comment
CAS-BOT-BC382124 Xanthium strumarium
E. A. McGregor
1917-8-20
1061
Imperial
3 mi E of El Centro
Comment
CAS-BOT-BC383674 Xanthium strumarium
Lowell Ahart
1986-10-16
5408
Butte
Below the high water line of Lake Oroville, about 1/10 mile east of the Enterprise Launch Area, about 1/4 mile south-west of Lumpkin Road, north-east of Oroville
274
Comment
CAS-BOT-BC383675 Xanthium strumarium
A. A. Heller
1916-9-5
12647
Butte
8 miles north of Oroville
Comment
CAS-BOT-BC383676 Xanthium strumarium
A. A. Heller
1916-9-5
12647
Butte
8 miles north of Oroville
Comment
CAS-BOT-BC383677 Xanthium strumarium
John Thomas Howell
1961-9-22
36720
Butte
Bank of Feather River, Oroville
53
Comment
CAS-BOT-BC383682 Xanthium strumarium
A. A. Heller
1914-7-31
11629
Butte
Sacramento Valley about 6 miles northwest of Chico
Comment
CAS-BOT-BC383685 Xanthium strumarium
E. M. Zeile
1921-9-17
1110
Contra Costa
Rodeo
Comment
CAS-BOT-BC383695 Xanthium strumarium
Ernest C. Twisselmann
1972-9-22
19273
Kern
Bed of Lake Isabella ca. 1 mile south of the Kernville airport
762
Comment
CAS-BOT-BC383698 Xanthium strumarium
John Thomas Howell
1970-9-22
47267
Kern
Along Kern River between Kernville and River Kern
822
Comment
CAS-BOT-BC383704 Xanthium strumarium
Frank J. Kirby
1957-9-1
1014
Kern
Cane Brake Creek, 2 mi. west of Walker Pass
1310
Comment
CAS-BOT-BC383705 Xanthium strumarium
John Thomas Howell
1973-11-1
50293
Kern
Bank of Kern River, Hart Memorial Park near Bakersfield
146
Comment
CAS-BOT-BC383706 Xanthium strumarium
Alice Eastwood
1926-8-15
13964
Kern
Poso Creek, Granite Station
518
Comment
CAS-BOT-BC383707 Xanthium strumarium
Alice Eastwood
1913-9-25
3513
Kern
Bakersfield
Comment
CAS-BOT-BC383708 Xanthium strumarium
Alice Eastwood
1913-9-25
3489
Kern
Bakersfield
Comment
CAS-BOT-BC383711 Xanthium strumarium
Peter H. Raven
1957-9-21
11317
Los Angeles
At n.w. end of U.C.L.A. campus, Los Angeles
Comment
CAS-BOT-BC383713 Xanthium strumarium
Ward B. Holt
1952-9-11
s.n.
Madera
Bass Lake
1066
Comment
CAS-BOT-BC383722 Xanthium strumarium
Alice Eastwood
1918-9-6
7967
Marin
Mill Valley
Comment
CAS-BOT-BC383723 Xanthium strumarium
Mrs. Alexander McCallum
1894-7-1
s.n.
Mendocino
Glen Blair [Glenblair]
Comment
CAS-BOT-BC383730 Xanthium strumarium
Doris K. Kildale
1928-7-18
5671
Mendocino
1 mile north of Willits, on Redwood highway
Comment
CAS-BOT-BC383731 Xanthium strumarium
Alice Eastwood
1919-9-26
9347
Mendocino
Laytonville
Comment
CAS-BOT-BC383732 Xanthium strumarium
John H. Thomas
1970-4-15
15579
Merced
About 11 miles northeast of Gustine along highway 140 near Bridge 39-91 over slough near San Joaquin River
Comment
CAS-BOT-BC383735 Xanthium strumarium
John Thomas Howell
1963-8-5
39911
Monterey
Along Watsonville-San Juan Road, about 2 miles south of Aromas
Comment
CAS-BOT-BC383741 Xanthium strumarium
Peter H. Raven
1951-10-28
3937
Napa
Strand at w. end of Conn Lake
152
Comment
CAS-BOT-BC383744 Xanthium strumarium
Gordon H. True
1961-8-27
184
Nevada
G. H. True Ranch, 7 miles south-west of Grass Valley on McCourtney Road
548
Comment
CAS-BOT-BC383745 Xanthium strumarium
Ira L. Wiggins
1965-10-24
20283
Orange
Along Skyline Drive near intersection with Raymond Street, Fullerton
Comment
CAS-BOT-BC383750 Xanthium strumarium
John Thomas Howell
1959-9-21
34804
Plumas
Near Paxton
883
Comment
CAS-BOT-BC383751 Xanthium strumarium
Lowell Ahart
1981-9-6
3094
Plumas
1 1/2 miles SW of Crescent Mills
1200
Comment
CAS-BOT-BC383753 Xanthium strumarium
Philip A. Munz
1935-10-21
14656
San Bernardino
Rincon
Comment
CAS-BOT-BC383754 Xanthium strumarium
S. B. Parish
No date on label
s.n.
San Bernardino
San Bernardino Valley
Comment
CAS-BOT-BC383755 Xanthium strumarium
Philip A. Munz
1935-10-21
14656
San Bernardino
Rincon
Comment
CAS-BOT-BC383756 Xanthium strumarium
Ira L. Wiggins
1927-8-31
2701
San Diego
Near Fox farm above Boulder Creek, near Cuyamaca Lake
Comment
CAS-BOT-BC383757 Xanthium strumarium
Ira L. Wiggins
1927-8-29
2598
San Diego
Along Hatfield Creek 4 miles east of Ramona on highway to Santa Ysabel
Comment
CAS-BOT-BC383758 Xanthium strumarium
Ira L. Wiggins
1927-5-7
2567
San Diego
1 mile south of Lakeside on road connecting with Alpine-El Cajon highway
Comment
CAS-BOT-BC383759 Xanthium strumarium
Roxana S. Ferris
1956-9-15
13065
San Diego
Road crossing of Jamul Creek a little above eastern arm of Lower Otay Reservoir
Comment
CAS-BOT-BC383760 Xanthium strumarium
S. B. Parish
1913-10-13
8715
San Diego
Potrero Grade, Tecate Mt.
Comment
CAS-BOT-BC383761 Xanthium strumarium
Peter H. Raven; R. Snow
1957-7-27
11140
San Diego
Strand of Lake Henshaw
Comment
CAS-BOT-BC383762 Xanthium strumarium
Lewis S. Rose
1935-7-10
35297
San Diego
Ramona
426
Comment
CAS-BOT-BC383763 Xanthium strumarium
LeRoy Abrams
1904-6-1
4100
San Diego
Calexico, Imperial Valley
Comment
CAS-BOT-BC383764 Xanthium strumarium
E. A. McGregor
1918-10-6
2049
San Diego
Colorado Desert. At Ruby's P.O.
914
Comment
CAS-BOT-BC383765 Xanthium strumarium
S. G. Stokes
1895-6-11
s.n.
San Diego
Chollas Valley
Comment
CAS-BOT-BC383766 Xanthium strumarium
Eric Walther
1922-10-5
s.n.
San Francisco
Golden Gate Park, San Francisco
Comment
CAS-BOT-BC383768 Xanthium strumarium
Johanna Wilkens
1920-10-1
s.n.
San Francisco
San Francisco
Comment
CAS-BOT-BC383769 Xanthium strumarium
John Thomas Howell
1932-10-16
10848
San Joaquin
Bed of Corral Hollow Creek, 8 miles from Tracy on Tesla Road
Comment
CAS-BOT-BC383770 Xanthium strumarium
David D. Keck
1931-10-18
1317
San Joaquin
Simms Station, Tidewater Southern R.R., 7 miles east of Manteca
23
Comment
CAS-BOT-BC383777 Xanthium strumarium
R. F. Hoover
1966-9-16
10029
San Luis Obispo
Santa Margarita Creek 2 mi. n. of Santa Margarita
Comment
CAS-BOT-BC383779 Xanthium strumarium
Henry M. Pollard
1957-10-17
s.n.
Santa Barbara
So. Pac. [Southern Pacific] R.R., Summerland
Comment
CAS-BOT-BC383784 Xanthium strumarium
Henry M. Pollard
1957-10-28
s.n.
Santa Barbara
Shoreline of Cachuma Lake, Santa Ynez Valley
Comment
CAS-BOT-BC383785 Xanthium strumarium
Henry M. Pollard
1957-10-17
s.n.
Santa Barbara
So. Pac. R.R., Summerland
Comment
CAS-BOT-BC383786 Xanthium strumarium
Alice Eastwood
1917-7-29
s.n.
Santa Barbara
Santa Barbara
Comment
CAS-BOT-BC383787 Xanthium strumarium
Johnson
1894-9-1
s.n.
Santa Clara
Near San Jose
Comment
CAS-BOT-BC383792 Xanthium strumarium
John H. Thomas
1956-9-8
6444
Santa Clara
Stanford University Campus. Along Mayfield Ave. between Stanford Ave. and Frenchman's Road
15
Comment
CAS-BOT-BC383793 Xanthium strumarium
Josephine D. Randall
1907-6-21
101
Santa Clara
Santa Cruz Peninsula. Lake Lagunita, Stanford University
Comment
CAS-BOT-BC383796 Xanthium strumarium
J. H. Thomas
1954-7-9
4356
Santa Clara
Carnadero Creek at intersection of Thomas Road, about 1 mile south of Gilroy
60
Comment
CAS-BOT-BC383797 Xanthium strumarium
John H. Thomas
1955-7-9
5229
Santa Clara
Dry bed of Lake Lagunita. Stanford University
30
Comment
CAS-BOT-BC383798 Xanthium strumarium
John Thomas Howell
1933-9-17
11679 A
Solano
Just east of Suisun on road to Rio Vista
Comment
CAS-BOT-BC383800 Xanthium strumarium
John Thomas Howell
1933-9-17
11690
Solano
Marsh bordering Sacramento River at Collinsville
Comment
CAS-BOT-BC383801 Xanthium strumarium
Marian L. Campbell
1920-8-17
s.n.
Solano
Cordelia
Comment
CAS-BOT-BC383804 Xanthium strumarium
John Thomas Howell
1946-8-17
22853
Sonoma
The Laguna north of Sebastopol
Comment
CAS-BOT-BC383808 Xanthium strumarium
John Thomas Howell
1974-9-19
50882
Sutter
1.7 miles south of Robbins on road to Knights Landing
7
Comment
CAS-BOT-BC383809 Xanthium strumarium
Lowell Ahart
1981-9-10
3141
Sutter
South Butte, Sutter Buttes
100
Comment
CAS-BOT-BC383814 Xanthium strumarium
John Thomas Howell
1967-11-3
44056
Tulare
About 4.5 miles east-northeast of Pixley
83
Comment
CAS-BOT-BC383815 Xanthium strumarium
John Thomas Howell
1952-10-28
28891 A
Tulare
Three Rivers
304
Comment
CAS-BOT-BC383816 Xanthium strumarium
John Thomas Howell
1952-10-28
28891
Tulare
Three Rivers
304
Comment
CAS-BOT-BC383817 Xanthium strumarium
John Thomas Howell; Gordon H. True
1967-9-18
43772
Tulare
Recreation area, north end of Lamont Meadow, Kern Plateau
1706
Comment
CAS-BOT-BC383818 Xanthium strumarium
Ernest C. Twisselmann
1969-10-2
16269
Tulare
San Joaquin Valley. Deer Creek, 8.4 miles east of Pixley
121
Comment
CAS-BOT-BC383819 Xanthium strumarium
Ernest C. Twisselmann
1969-10-2
16269
Tulare
San Joaquin Valley. Deer Creek, 8.4 miles east of Pixley
121
Comment
CAS-BOT-BC383826 Xanthium strumarium
Henry M. Pollard
1944-9-23
s.n.
Ventura
Maricopa Road between Fairview Rd. and Matilija Canyon, Ojai Valley
Comment
CAS-BOT-BC383828 Xanthium strumarium
S. B. Parish
1916-9-19
11045
Ventura
Ventura
Comment
CAS-BOT-BC383832 Xanthium strumarium
Henry M. Pollard
1952-7-8
s.n.
Ventura
Ventura River Basin. Mirror Lake, Ojai Valley
Comment
CAS-BOT-BC383833 Xanthium strumarium
Henry M. Pollard
1966-9-22
s.n.
Ventura
Southern Pacific R.R. east of and near Devil's Gulch, Oak View
Comment
CAS-BOT-BC383835 Xanthium strumarium
Roxana Stinchfield
1916-6-25
325
Yolo
Near mouth of Buckeye Creek
Comment
CAS-BOT-BC385614 Xanthium strumarium
Cherie L. Wetzel
1967-11-3
175
Alameda
Niles Canyon and Vicinity; Alameda Creek behind construction yard.
Comment
CAS-BOT-BC385615 Xanthium strumarium
Cherie L. Wetzel
1967-10-8
157
Alameda
Niles Canyon and Vicinity
Comment
CAS-BOT-BC54218 Xanthium strumarium
Bruce Bartholomew
1989-8-11
5060
Modoc
Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48.
1430
Comment
CAS-BOT-BC54219 Xanthium strumarium
Bruce Bartholomew
1990-8-3
5605
Modoc
Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin.
1250
Comment
CATA1208 Xanthium strumarium
Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez
1995-6-15
2264
Los Angeles
Santa Catalina Island: Cottonwood Canyon
33
Comment
CATA308 Xanthium strumarium
Mark L. Hoefs
1973-6-5
332
Los Angeles
Santa Catalina Island: Lower Cottonwood Canyon, in stream bed by main road, at bridge
22
Comment
CATA3473 Xanthium strumarium
Stuart Olshevski, Benjamin Dion
2017-9-13
009
Los Angeles
Santa Catalina Island: Interior; in the main drainage in Middle Springs watershed
83
Comment
CATA3483 Xanthium strumarium
Nathalie Cartan, Benjamin Dion, Michael Thomas
2017-9-28
004
Los Angeles
Santa Catalina Island: Interior; in drainage between Lower Cottonwood Road and Banning Meadow Road in the Lower Cottonwood Canyon watershed
153
Comment
CATA3495 Xanthium strumarium
Benjamin J. Dion, Michael Thomas
2017-11-1
047
Los Angeles
Santa Catalina Island: Channel side; bottom of main drainage above beach in the Lorenzo Beach watershed
36
Comment
CDA10203 Xanthium strumarium
M. M. Sweet
2007-7-31
444
San Diego
City of San Diego; 1/4 mile from the end of the canyon running from Eastgate Mall (starting 1/8 mile east of the intersection of Eastgate and Genesee Avenues) to the end of Roselle Street. (32.8905 N, 117.2205 W)
Comment
CDA12771 Xanthium strumarium
G. F. Hrusa
1990-9-4
8211
Sacramento
Natoma Unit-Folsom Lake State Rec. Area; about upper end of estuary at S end of American River Bluffs.
Comment
CDA15039 Xanthium strumarium
G. F. Hrusa, J. Hart
1998-10-11
14847
Sacramento
Sacramento Delta; Georgiana Slough approx. 1/2 km. below divergence from Sacramento R. at Walnut Grove.
Comment
CDA15283 Xanthium strumarium
G. F. Hrusa, D. Crowe, R. York
1998-7-17
14721
Contra Costa
Sacramento Delta; Parallel to Antioch-Pittsburg Hwy at E end of Dow Chemical property.
Comment
CDA15547 Xanthium strumarium
G. F. Hrusa
1998-10-28
14898
Colusa
North Coast Ranges; along Cedar Camp Rd. as it enters Little Stony Ck. Cyn., approx. 1/2 mi. from Lodoga/Stonyford Rd.
Comment
CDA17432 Xanthium strumarium
G. F. Hrusa, P. Akers
2005-9-28
16755
San Bernardino
Mojave Desert; Afton Cyn. Wildlife Refuge, +/- 2 mi. S of I-15. Bed of Mojave River.
426
Comment
CDA23150 Xanthium strumarium
Artie Thomas, Mark A. Elvin
2006-9-23
609235
Orange
Southern coastal; San Joaquin Marsh freshwater Marsh, UC Natural Reserve; SW edge, along San Diego Creek, north of University Drive, east Highway 73.
Comment
CDA29789 Xanthium strumarium
M. K. Beyers, F. Favela, J. McDonnell
2009-8-29
217
Napa
Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128).
0
Comment
CDA29798 Xanthium strumarium
M. K. Beyers, F. Favela, J. McDonnell
2009-8-29
217
Napa
Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128).
0
Comment
CDA7870 Xanthium strumarium
Jon P. Rebman, J. Gregory, K. Rich, P. Famolaro
2007-9-12
13930
San Diego
Sweetwater Reservoir, east of National City and south of La Presa; vicinity of wet marsh and meadow areas just northeast and upstream from the east end of the reservoir.
Comment
CDA9008 Xanthium strumarium
D. G. Kelch
2007-5-18
7 .325
Yolo
Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing.
Comment
CDA9013 Xanthium strumarium
T. C. Fuller
1962-10-16
9763
San Diego
In wash of Tia Juana River, south of Highway 101 freeway at Dairy Mart Road, San Yisdro.
0
Comment
CDA9015 Xanthium strumarium
A. G. Murdock, D. G. Kelch
2003-9-12
164
Solano
Carquinez Strait Region; Mare Island. West center of island at end of Tennessee.
Comment
CDA9020 Xanthium strumarium
M. Tu
1998-8-25
120
Sacramento
Collected from west side of small dirt road approximately 50 meters north of the pump station. This road runs adjacent to the west side of the Tall Forest, along Wood Duck Slough.
Comment
CDA9024 Xanthium strumarium
T. C. Fuller
1962-10-3
9706
Riverside
Palo Verde Valley; South side of 32nd Avenue, 0.6 mile east of Ludy Boulevard, road to Ripley, 3.9 miles north of Palo Verde.
0
Comment
CDA9032 Xanthium strumarium
M. Tu
1998-8-25
120
Sacramento
Collected from west side of small dirt road approximately 50 meters north of the pump station. This road runs adjacent to the west side of the Tall Forest, along Wood Duck Slough.
Comment
CHSC100018 Xanthium strumarium
Lowell Ahart; John Dittes
2008-8-21
15228
Merced
On the banks and bottom of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced.
53
Comment
CHSC100486 Xanthium strumarium
Lowell Ahart; John Dittes, Josephine Guardino
2008-11-8
15441
Butte
On the bottom of Lindo Channel, about 100 yards west of the diversion structure, north of Hooker Oak, Upper Bidwell Park, Chico.
68
Comment
CHSC103013 Xanthium strumarium
Lowell Ahart
2009-10-12
16431
Napa
Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters.
133
Comment
CHSC110405 Xanthium strumarium
Lowell Ahart
2012-9-28
18467
Butte
Gravel bar in the middle of Big Chico Creek, about 30 yards east of the Freeway, Lower Bidwell Park, Chico.
65
Comment
CHSC112703 Xanthium strumarium
Lowell Ahart
2013-10-19
19130
Glenn
Between the river and the large gravel bar, along the west side of the Sacramento River, southwest of the boatlaunch area, west of Butte City.
26
Comment
CHSC113038 Xanthium strumarium
Lowell Ahart
2013-10-1
19095
Colusa
Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites.
364
Comment
CHSC116297 Xanthium strumarium
Lowell Ahart
2015-11-7
20613
Butte
Strand of Lake Oroville, on east side of old Highway Alternate 40, about 1/4 mile south of end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise.
236
Comment
CHSC21243 Xanthium strumarium
M. S. Taylor
1975-10-31
979
Butte
Along creek, ca. 50 yds n of Pentz Rd, ca. 12 mi s of Chico, on Butte College campus.
91
Comment
CHSC25453 Xanthium strumarium
Hayes; Warner
1977-9-12
100
Butte
In creekbed, w branch of Clear Creek, ca. 10 m n of small wooden walking bridge on Butte College Campus near the intersection of Pentz and Clark Rds., ca. 15 mi se of Chico.
82
Comment
CHSC26764 Xanthium strumarium
P. Moyer
1971-10-24
47
Butte
CSUC Campus. S bank of Chico Ck. behind Archeology 'B' Bldg.
60
Comment
CHSC31573 Xanthium strumarium
L. Ahart
1977-9-20
1575
Butte
Near North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
CHSC32697 Xanthium strumarium
S. Posner
1972-10-12
Butte
Upper Bidwell Park, Chico. Vicinity Archery range.
Comment
CHSC34123 Xanthium strumarium
L. Ahart
1981-9-10
3141
Sutter
Along edge of a wash, on s side of South Butte, Sutter Buttes.
100
Comment
CHSC34330 Xanthium strumarium
L. Ahart
1981-9-6
3094
Plumas
On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills.
1200
Comment
CHSC37031 Xanthium strumarium
L. Ahart
1982-9-9
3773
Sutter
On bottom and sides of a wash ca. 1/8 mi s of Myers home, Myers Ranch, Sutter Buttes.
50
Comment
CHSC38396 Xanthium strumarium
Vernon Oswald
1983-8-19
1013
Butte
Upper Bidwell Park, Chico, in Lindo Channel near the weir on the diversion channel.
79
Comment
CHSC40588 Xanthium strumarium
Pauleen Broyles
1982-7-29
818
Tehama
The Nature Conservancy Vina Plains Preserve. In vernal pool.
66
Comment
CHSC41862 Xanthium strumarium
Lowell Ahart
1986-10-16
5408
Butte
Below the high water line of Lake Oroville, about 1/10 mile east of the Enterprise Launch Area, about 1/4 mile south-west of Lumpkin Road, north-east of Oroville.
274
Comment
CHSC43080 Xanthium strumarium
L. P. Janeway; C. A. Janeway
1986-6-18
1737
Fresno
Canyon of Jacalitos Cr. Along the creek.
274
Comment
CHSC52386 Xanthium strumarium
R. L. Ondricek-Fallscheer
1982-10-24
159
Butte
At edge of a spring, ne side of tip of Flatiron Ridge, ca. 3 1/2 mi wsw of Paradise.
182
Comment
CHSC55356 Xanthium strumarium
L. P. Janeway
1987-7-10
2481 A
Fresno
Creek bed of Warthan Cr, 7 mi west of Coalinga via hwy 198.
320
Comment
CHSC60724 Xanthium strumarium
Vernon H. Oswald
1993-6-9
5498
Glenn
Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, S of the middle of the S leg of the Tour Route (NE1/4 of Tract 18). On the bottom of a vernal pool.
25
Comment
CHSC6083 Xanthium strumarium
J. Wheeler
1968-5-20
212
Butte
1 mi e of Sacramento River on hwy. 32.
Comment
CHSC6137 Xanthium strumarium
J. Wheeler
1968-5-21
397
Butte
Bank of Kusal Slough ca. 1.5 mi e of Sacramento River on hwy. 32.
Comment
CHSC66432 Xanthium strumarium
Vernon H. Oswald; Lowell Ahart
1996-6-10
7746
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bank of the Sacramento River at the N end of the Riparian Sanctuary.
28
Comment
CHSC76412 Xanthium strumarium
Lowell Ahart
1999-10-28
8313
Butte
On the west side of a large pond, area along the east side of the Sacramento River, northwest of Parrot Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC78063 Xanthium strumarium
Shelly Pirtle
1997-4-9
28
Butte
+/- 20 miles south of Chico off of Biggs-Afton Road: Little Cry Creek.
Comment
CHSC89459 Xanthium strumarium
Lowell Ahart
2004-10-14
11461
Lake
Below the high water line of Indian Valley Reservoir, east of the causeway, in the northwest part of the reservoir, on the east side of Bartlett Springs Road (Road M 12).
446
Comment
CHSC89460 Xanthium strumarium
T. C. Fuller
1965-9-14
14103
Sutter
On w. bank of Sutter Bypass, 6 mi. s.e. of Robbins.
Comment
CHSC93677 Xanthium strumarium
Lowell Ahart; John Dittes
2005-6-2
11964
Lassen
Stream edge, Long Valley, about 4 1/2 miles (air) northeast of the intersection of Scott Road and Highway 70, 5.7 miles (air) northwest of Hallelujah Junction.
1408
Comment
CHSC94593 Xanthium strumarium
Lowell Ahart
2006-9-11
13278
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
CHSC97758 Xanthium strumarium
Lowell Ahart
2007-11-8
14581
Yuba
On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan.
73
Comment
CHSC97771 Xanthium strumarium
Lowell Ahart
2007-11-1
14533
Yuba
On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville.
627
Comment
GMDRC3533 Xanthium strumarium
J. Andre
2009-6-27
10775
San Bernardino
New York Mountains: New York Mountains: Mojave National Preserve, east side of NY Mtns at Lecyr Well, approx 0.6 mi. E of mouth of Keystone Canyon, 0.2 mi. W. of Ivanpah Road. USGS 7.5 min. Quad: Castle Peaks 35 deg. 16.762' N 115 deg. 15.182' W. Elev. 4925 ft.
1502
Comment
HSC27801 Xanthium strumarium
J. P. Smith
1973-9-29
7338
Trinity
Bank of the Trinity River near Hawkins Bar.
213
Comment
HSC6337 Xanthium strumarium
M. T. Milligan
1964-9-13
260
Trinity
1 mi. E of Cedar Flat on Hwy. 299, along Trinity River.
457
Comment
HSC6342 Xanthium strumarium
W. H. Kinch
1954-10-26
10
San Bernardino
S of Chino, near California Inst. for Men.
183
Comment
HSC68352 Xanthium strumarium
J. P. Smith, Steve Selva
1970-7-17
4421
Siskiyou
Along Klamath River.
Comment
HSC79043 Xanthium strumarium
G. K. Helmkamp
1983-10-8
- 10
San Bernardino
Big Morongo Preserve of The Nature Conservancy, Morongo Valley, near the house in the San Bernardino Co. owned area.
762
Comment
HSC81333 Xanthium strumarium
D. A. Hoover
1985-9-4
695
San Bernardino
S of Morongo Valley, at the lower end of the mesquite trail.
747
Comment
HSC93473 Xanthium strumarium
Gordon Leppig
1998-9-7
1098
Trinity
Six Rivers National Forest, South Fork Trinity River, W bank.
213
Comment
HSC95399 Xanthium strumarium
A. C. Sanders, Mark A. Elvin
2002-8-28
25599
Los Angeles
Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park.
360
Comment
IRVC27444 Xanthium strumarium
A. C. Sanders, Mark A. Elvin
2002-8-28
25599
Los Angeles
Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns.
360
Comment
IRVC27490 Xanthium strumarium
Mark A. Elvin, H. Spillman, et al.
2005-4-2
4131
San Diego
E side of Otay Mtn; Marron Creek along Marron Valley Road; 2.1km (air) N of Mexico; near gate to City of San diego Preserve. Peninsular Ranges, San Ysidro Mountains
274
Comment
IRVC29823 Xanthium strumarium
Artie Thomas, Mark A. Elvin
2006-9-23
609235
Orange
San Joaquin Marsh Freshwater Marsh, UC Natural Reserve; SW edge, along San Diego Creek, N of University Drive, E Hwy 73. Southern Coastal
2
Comment
JEPS100067 Xanthium strumarium
A. Langston
2003-7-28
AL 77
Contra Costa
Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
Comment
JEPS106008 Xanthium strumarium
Lowell Ahart
2004-10-14
11461
Lake
Below the high water line of Indian Valley Reservoir, east of the causeway, in the northwest part of the reservoir, on the east side of Bartlett Springs Road (Road M 12)
446
Comment
JEPS106870 Xanthium strumarium
Jake Ruygt
1978-9-15
415
Napa
Napa River at east end of Marina Drive, Napa
4
Comment
JEPS108957 Xanthium strumarium
Lowell Ahart
2006-9-11
13278
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
JEPS111646 Xanthium strumarium
A. G. Murdock
2003-9-12
164
Solano
Mare Island West center of island at end of Tennessee
2
Comment
JEPS114541 Xanthium strumarium
Lowell Ahart, John Dittes
2008-8-21
15228
Merced
On the banks and bottom of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced
53
Comment
JEPS115016 Xanthium strumarium
Lowell Ahart
2007-11-8
14581
Yuba
On the strand of Camp Far West Reservoir, about 1/2 mile south of Rock Creek, about 1/8 mile north of Bear River, about 6 miles (air) northeast of Sheridan
73
Comment
JEPS115029 Xanthium strumarium
Lowell Ahart
2007-11-1
14533
Yuba
On the south side of Willow Creek, above the high water line of Bullards Bar Reservoir, about 1 mile northwest of Old Camptonville Road, about 1 1/2 miles (air) west of Camptonville
627
Comment
JEPS115766 Xanthium strumarium
Lowell Ahart
2009-10-12
16431
Napa
Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W
133
Comment
JEPS119937 Xanthium strumarium
Lowell Ahart
2012-9-28
18467
Butte
Gravel bar in the middle of Big Chico Creek, about 30 yards east of the Freeway, Lower Bidwell Park, Chico.
Comment
JEPS120736 Xanthium strumarium
Lowell Ahart
2013-10-19
19130
Glenn
Between the river and the large gravel bar, along the west of the Sacramento river, southwest of the boat launch area, west of Butte City.
Comment
JEPS124160 Xanthium strumarium
Lowell Ahart
2015-11-7
20613
Butte
About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise.
Comment
JEPS18086 Xanthium strumarium
Roxana S. Ferris
1956-9-15
13065
San Diego
road crossing of Jamul Creek a little above eastern arm Lower Otay Reservoir; , Jamul Creek
Comment
JEPS20072 Xanthium strumarium
Peter H. Raven with R. Snow
1957-7-27
11140
San Diego
strand Lake Henshaw
Comment
JEPS20073 Xanthium strumarium
Peter H. Raven
1957-9-21
11317
Los Angeles
small hill at nw end UCLA campus; Los Angeles
Comment
JEPS24492 Xanthium strumarium
J. H. Thomas
1960-8-30
8858
Glenn
in hwy ditch about 3 mi n Glenn
Comment
JEPS26175 Xanthium strumarium
Peter H. Raven and Henry J. Thompson
1959-9-20
14495
Ventura
Carlisle Road 1.2 mi e Decker Road; Santa Monica Mountains
335
Comment
JEPS26195 Xanthium strumarium
Peter H. Raven and Henry J. Thompson
1959-10-4
14591 A
Ventura
1 mi n Camarillo State Hospital; Santa Monica Mountains, Calleguas Creek
18
Comment
JEPS30678 Xanthium strumarium
Peter H. Raven
1961-9-17
16702
San Bernardino
below Cajon Station (streamside); Cajon Canyon, Cajon Campground
792
Comment
JEPS37535 Xanthium strumarium
W. L. Jepson
1921-9-12
9482
Sonoma
s side Alexander Valley; s side Alexander Valley
45
Comment
JEPS37536 Xanthium strumarium
W. L. Jepson
1928-4-20
12455
San Diego
sandy wash San Felipe Creek; San Felipe Valley, wash of San Felipe Creek
746
Comment
JEPS37537 Xanthium strumarium
Lincoln Constance
1934-6-12
865
Humboldt
n bank South Fork Eel River (Dyerville, Bull Creek Road, Bull Creek Region); n bank South Fork Eel River, Bull Creek Region, Dyerville
Comment
JEPS37538 Xanthium strumarium
L. M. Booth
1932-6-29
1231
Orange
Newport Bay
Comment
JEPS37541 Xanthium strumarium
W. L. Jepson
1923-10-4
10213
Contra Costa
Sherman Island ferry Antioch Shore, Sherman Island ferry
Comment
JEPS37542 Xanthium strumarium
Elizabeth Day Palmer
1908-7-17
Los Angeles
Los Angeles
Comment
JEPS41257 Xanthium strumarium
R. F. Hoover
1934-9-15
11
Stanislaus
Modesto
Comment
JEPS41258 Xanthium strumarium
R. F. Hoover
1938-9-3
3803
Lake
on Middletown-Lower Lake road Putah Creek
Comment
JEPS41260 Xanthium strumarium
Geo. D. Butler
1908-9-5
527
Siskiyou
along creek at Butler's Ranch (near Yreka)
Comment
JEPS41261 Xanthium strumarium
W. L. Jepson
1929-4-30
15270
Solano
about 1 mi ne Fairfield (between Suisun and Cement)
Comment
JEPS41263 Xanthium strumarium
W. C. Mathews
1914-1
Mendocino
Fort Bragg
Comment
JEPS41264 Xanthium strumarium
S. B. Parish
1912-10-21
8359
Imperial
Ft. Yuma , Ft. Yuma (Colorado River bottoms)
Comment
JEPS41265 Xanthium strumarium
W. L. Jepson with Prof. and Mrs. Wiegand
1921-9-9
9440
Mendocino
Hopland
Comment
JEPS41267 Xanthium strumarium
W. L. Jepson
1914-10-14
6211
Santa Clara
Coyote
17
Comment
JEPS45173 Xanthium strumarium
Perry Allen
1961-8-22
Stanislaus
beside Tuolumne River at Basso Bridge (vicinity of La Grange); Tuolumne River
Comment
JEPS64722 Xanthium strumarium
Ernest C. Twisselmann
1970-10-9
17521
Fresno
Warthan Creek at the Parkfield Road; Warthan Creek
594
Comment
JEPS74334 Xanthium strumarium
L. R. Heckard with T. I. Chuang and R. Bacigalupi
1974-7-23
3754
Siskiyou
about 4 air mi n Yreka (Shasta River bridge, along sandy margin of river); Shasta River
Comment
JEPS77902 Xanthium strumarium
Edward Lee
1934-7-4
947
San Joaquin
Holt
Comment
JEPS77903 Xanthium strumarium
Edward Lee
1934-7-4
947
San Joaquin
Holt
Comment
JEPS84522 Xanthium strumarium
Mr. Benj. Cobb
1982-9-30
Alameda
Anthony Chabot Regional Park Anthony Chabot Regional Park (along Contra Costa Trails)
Comment
JOTR37034 Xanthium strumarium
Hodges, Stephen R, James Heintz, Aliya Ingersoll, Evan Heck
2015-10-22
523
San Bernardino
Wonderland of Rocks - Stop 2
Comment
JROH1319 Xanthium strumarium
John H. Thomas
1976-10-16
18425
San Mateo
Jasper Ridge Biological Preserve, Stanford University; near low flow crossing
Comment
LA200327 Xanthium strumarium
Jonathan Sauer; D. Bradbury, A. Lang
1969-9-25
4632
Ventura
SANTA MONICA MOUNTAINS, Big Sycamore Canyon, near mouth of canyon, near Point Mugu.
12
Comment
LA201372 Xanthium strumarium
Arthur C. Gibson;
2001-7-25
4140
Ventura
Comment
LA31639 Xanthium strumarium
Peter H. Raven; Henry J. Thompson
1959-10-4
14591 A
Ventura
Santa Monica Mountains, Calleguas Creek, 1 mi N of Camarillo State Hospital
18
Comment
LA31640 Xanthium strumarium
Peter H. Raven; Henry J. Thompson
1959-9-20
14495
Ventura
Santa Monica Mountains, Carlisle Road 1.2 mi. E of Decker Road
Comment
LA31641 Xanthium strumarium
Peter H. Raven; Henry J. Thompson
1959-9-6
14399
Los Angeles
Santa Monica Mountains, Malibu Creek, near mouth
14
Comment
LA35901 Xanthium strumarium
Peter H. Raven; Henry J. Thompson
1960-4-12
15050
Ventura
SANTA MONICA MOUNTAINS, Triunfo Pass
640
Comment
OBI15332 Xanthium strumarium
Jim Heaston
1955-10-7
s.n.
San Luis Obispo
Cal Poly SLO
Comment
OBI15333 Xanthium strumarium
Robert F. Hoover
1966-9-16
10029
San Luis Obispo
Santa Margarita Crk 2 mi N of Santa Margarita
Comment
OBI22944 Xanthium strumarium
David J. Keil
1979-10-27
13659
San Luis Obispo
E end of Lopez Lake below confluence of Arroyo Grande Crk and Phoenix crk, 0.2 mi from jctn of Lopez Cyn Rd and Pozo Rd
Comment
OBI30686 Xanthium strumarium
Julie M. Vanderwier
1980-11-10
s.n.
San Luis Obispo
Indian Knob Tar Sands
Comment
OBI38424 Xanthium strumarium
Eric Wise
1981-7-26
933
San Luis Obispo
Shepperd's Reservoir, Cal Poly
Comment
OBI51187 Xanthium strumarium
Jan Barber
1993-8-5
60
San Luis Obispo
San Simeon State park; along banks of San Simeon crk
Comment
OBI51316 Xanthium strumarium
Jan Barber
1993-8-14
81
San Luis Obispo
San Simeon State park, near seasonal outlet to ocean of San Simeon Crk
Comment
OBI56722 Xanthium strumarium
Matt Falconer
1993-6-8
s.n.
Santa Barbara
Vandenberg AFB; W and S of 13th Street Bridge over the Santa Ynez River
Comment
OBI6388 Xanthium strumarium
Robert J. Rodin
1959-7-10
6383
Santa Barbara
Santa Ynez River at Buellton
Comment
OBI65975 Xanthium strumarium
Wendy Thackery, Stacey Smith and Paul Corsi
2003-8-22
57
San Luis Obispo
Central Coast Comprehensive Wetlands GIS (CCCWGIS). S of Morro Bay on Hwy 1. N of Hollister peak off Canet Rd S of hwy 1. Outlet into Choro Crk
31
Comment
OBI67223 Xanthium strumarium
David J. Keil
1991-10-26
22693
Santa Barbara
Vandenberg Air Force base, North base. barka slough, near eastern boundary of base along san antonio creek. areas of freshwater marsh, riparian woodland, and salt-marsh meadow.
Comment
OBI79136 Xanthium strumarium
David J. Keil
2013-8-22
31963
San Luis Obispo
Morro Bay State Park. Vicinity of road junction of State Park Road with South Bay Blvd. and bridge over Chorro and Morro Creeks
8
Comment
OBI79233 Xanthium strumarium
David J. Keil, with CNPS field trip
2012-4-7
31247
San Luis Obispo
Shell Creek Road north of Highway 58
405
Comment
OBI82503 Xanthium strumarium
David J. Keil
2015-7-8
33295
San Luis Obispo
Atascadero. Southeast of intersection of El Camino Real and San Rafael Road
280
Comment
POM12002 Xanthium strumarium
Mary F. Spencer
1919-10-3
1386
San Diego
Mesa Grande
1021
Comment
POM12448 Xanthium strumarium
P. A. Munz
1922-9-2
? 345
Orange
Laguna Lakes
30
Comment
POM153381 Xanthium strumarium
P. A. Munz, I. M. Johnston
1928-9-12
11263
Riverside
Santa Ana River, Onatrio-to-Corona road.
Comment
POM153387 Xanthium strumarium
P. A. Munz, I. M. Johnston
1928-9-12
11257
Riverside
Temescal Canyon, Lee's Lake.
Comment
POM153400 Xanthium strumarium
P. A. Munz, I. M. Johnston
1928-9-12
11299
Riverside
3 miles north of Temecula. Warm Springs Creek
Comment
POM201747 Xanthium strumarium
L. M. Booth
1932-6-29
1231
Orange
Newport Bay.
Comment
POM224745 Xanthium strumarium
P. A. Munz
1935-10-21
14656
San Bernardino
Rincon
Comment
POM266303 Xanthium strumarium
J. C. Roos
1940-8-20
1590
San Bernardino
Loma Linda.
323
Comment
POM289965 Xanthium strumarium
Arthur L. Cohen
1934-7-11
764
San Diego
San Diego Bay mudflats.
0
Comment
POM289966 Xanthium strumarium
Lyman Benson
1928-9-21
813
Lake
Rincon School, Kelseyville. Middle N Coast mtn range, Clear Lake watershed.
488
Comment
POM289973 Xanthium strumarium
Lyman Benson
1932-10-16
4083
Kern
Bakersfield. Kern River Watershed.
122
Comment
POM324261 Xanthium strumarium
Keith C. Hughes
1960-10-3
228
Los Angeles
San Antonio Canyon. Mt. Range San Gabriel.
762
Comment
POM4804 Xanthium strumarium
D. L. Crawford
1916-7-26
s.n.
Orange
Laguna Canyon
Comment
POM48281 Xanthium strumarium
I. M. Johnston
1924-7-10
s.n.
Orange
Laguna canyon
Comment
POM48502 Xanthium strumarium
P. A. Munz
1924-7-29
8897
San Bernardino
Loma Linda.
Comment
POM57127 Xanthium strumarium
C. F. Baker
1902-10-15
1760
Santa Clara
Near Stanford University
Comment
POM57128 Xanthium strumarium
Edward L. Greene
1902-8-30
1512
Santa Clara
Palo Alto
Comment
POM87800 Xanthium strumarium
L. R. Abrams
1903-9-27
4023
Monterey
Salinas River - Neponset.
Comment
RSA0039621 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann, G. Kenney
2014-4-30
28123
San Diego
Camp Pendleton: State Park Lease area: northwestern portion of Base; west of the intersection of Cristianitos Road & Talega Road; along Cristianitos Creek.
53
Comment
RSA0057923 Xanthium strumarium
Richard G. Swinney
2010-6-23
13340
Los Angeles
San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace.
335
Comment
RSA0058921 Xanthium strumarium
LeRoy Gross, Joy England, Naomi S. Fraga
2015-5-6
7360
Ventura
USC/Best Property; Off Pyle Road, south of Highway 126. Almost halfway between Santa Paula and Fillmore.
99
Comment
RSA0064006 Xanthium strumarium
LeRoy Gross, Joy England
2015-4-29
7218
Ventura
Bunn-Birrell Property; Survey the river bed at junction of S. Mountain Road and Converse Road. Southwest area of Santa Paula.
57
Comment
RSA0064093 Xanthium strumarium
LeRoy Gross, Loraine Washburn
2015-4-30
7321
Ventura
Vulcan Property; End of Torrey Road/Main street, south of Highway 126, and Piru. Surveyed up stream.
193
Comment
RSA0069600 Xanthium strumarium
LeRoy Gross, Sarah DeGroot, Cheryl Sevilla
2015-4-9
7066
Ventura
Loughman/Peto Family Trust Properties; Along the river, just east of Santa Paula. End of S. Hallock Drive, south of Highway 126.
82
Comment
RSA0070297 Xanthium strumarium
Nick Jensen, Tommy Stoughton, Evan Meyer, Manuel Lujan
2013-9-13
603
Kern
Tejon Ranch. Lower Pescado Creek about 1.25 road km to the north of the junction with Contour Rd.
1076
Comment
RSA0077235 Xanthium strumarium
Nick Jensen, Neal Kramer
2014-9-7
2474
Kern
Tejon Ranch. Tejon Hills, Comanche Point. In and immediately around Comanche Spring.
194
Comment
RSA0082817 Xanthium strumarium
Sarah J. De Groot, Noravit Chumchim
2015-7-2
7422
Ventura
The Nature Conservancy Loughman Property. Santa Clara River floodplain just east of Santa Paula, off south end of Hallock Drive. North of South Mountain, south of Sulphur Mountain/Santa Paula Ridge, south of Highway 126,, southwest of Fillmore. Oak Ridge Fault zone.
75
Comment
RSA0084861 Xanthium strumarium
R. G. Swinney
2010-9-1
13671
Los Angeles
Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St.
338
Comment
RSA116660 Xanthium strumarium
I. L. Wiggins
1928-8-20
3322
Santa Clara
Dry bed of Lagunita, Stanford University Campus
0
Comment
RSA116661 Xanthium strumarium
W. R. Dudley
1893-07
s.n.
Santa Clara
Santa Cruz Mountain Peninsula, Stanford University.
Comment
RSA133858 Xanthium strumarium
John H. Thomas
1954-7-9
4356
Santa Clara
Carnadero Creek at intersection of Thomas Road, about 1 mile south of Gilroy.
61
Comment
RSA133870 Xanthium strumarium
John H. Thomas
1955-7-9
5229
Santa Clara
Dry bed of Lake Lagunita, Stanford University.
30
Comment
RSA151142 Xanthium strumarium
P. H. Raven
1961-9-17
16702
San Bernardino
Cajon Canyon below Cajon Station, at Cajon Campground
793
Comment
RSA177006 Xanthium strumarium
John H. Thomas
1964-11-29
10536
San Mateo
Jasper Ridge Biological Experimantal Area, about 5 miles SW of Palo Alto; W end of Searsville Dam
Comment
RSA180446 Xanthium strumarium
E. W. Lathrop
6016
San Bernardino
Loma Linda
Comment
RSA184090 Xanthium strumarium
I. L. Wiggins
1965-10-24
20283
Orange
Roadside along Skyline Drive near intersection with Raymond Street, Fullerton.
Comment
RSA188366 Xanthium strumarium
R. F. Thorne, Percy C. Everett
1965-6-23
34942
Los Angeles
Santa Catalina Island. Ben Weston Beach, W side of island.
Comment
RSA250066 Xanthium strumarium
R. F. Thorne, Larry E. DeBuhr, et al.
1972-10-13
42447
San Bernardino
due S of Lost Lake and near Blue Cut.
807
Comment
RSA286650 Xanthium strumarium
R. D. Stone, Greg de Nevers, S. Castagnoli
1980-9-12
295 c
San Bernardino
Horse Thief Springs
1415
Comment
RSA289814 Xanthium strumarium
B. A. Prigge
1980-9-16
4046
Riverside
Indio. Coachella Valley Stormwater Channel.
0
Comment
RSA296139 Xanthium strumarium
B. A. Prigge
1980-8-5
3882
Riverside
Whitewater canyon: 1.1 miles N of Interstate 10.
473
Comment
RSA314470 Xanthium strumarium
R. F. Thorne, Kay Wright, R. K. Benjamin
1982-10-8
55372
Riverside
Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River.
412
Comment
RSA33608 Xanthium strumarium
N. Cooper
1943-9-10
894
Riverside
Banning
640
Comment
RSA38194 Xanthium strumarium
P. A. Munz
1946-10-2
11556
Orange
Santa Ana River Canyon, Rancho Santa Ana
122
Comment
RSA441184 Xanthium strumarium
N. C. Cooper
1949-5-18
3803
Inyo
Death Valley National Monument, Scotty's Canyon
914
Comment
RSA441185 Xanthium strumarium
Freda Detmers
1933-8-26
17931
Inyo
Lone Pine. Just west of Mt. View Cabins.
Comment
RSA441186 Xanthium strumarium
Wm. Martin
1971-9-8
20051
Inyo
5 miles NW of Bishop on Hwy 395.
Comment
RSA441187 Xanthium strumarium
B. C. Templeton
1936-9-27
5250
Kern
Walker Pass on St Hwy 178
1601
Comment
RSA441188 Xanthium strumarium
F. R. Fosberg
1930-7-3
S 3083
Los Angeles
Lexington Wash, San Gabriel River, El Monte.
80
Comment
RSA441191 Xanthium strumarium
F. R. Fosberg
1931-5-18
S 4897
Los Angeles
Santa Catalina Island, Little Harbor.
Comment
RSA441192 Xanthium strumarium
M. B. Dunkle
1930-7-23
2437
Los Angeles
Little Harbor, Santa Catalina Island.
Comment
RSA441193 Xanthium strumarium
Anonymous
1937-9-9
280
San Bernardino
Orange grove, Redlands.
Comment
RSA441194 Xanthium strumarium
F. R. Fosberg
1930-10-26
S 4164
San Diego
Coches Creek, 2 miles east Bostonia.
200
Comment
RSA441195 Xanthium strumarium
F. R. Fosberg
1930-10-26
S 4164
San Diego
Coches Creek, 2 miles east Bostonia.
200
Comment
RSA441196 Xanthium strumarium
Malcolm M. Rice
1924-8-6
s.n.
Santa Barbara
Near Oak Park
Comment
RSA512372 Xanthium strumarium
Steven A. Junak
1988-9-1
SN- 267
Ventura
San Nicolas Island. Barge landing area at Daytona Beach.
6
Comment
RSA544325 Xanthium strumarium
Steve Boyd
1991-9-8
6433
Riverside
Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371.
600
Comment
RSA557360 Xanthium strumarium
Julie Greene
1993-6-11
1350
Riverside
[No locality information provided]
440
Comment
RSA561515 Xanthium strumarium
Steve Boyd, Timothy S. Ross, D. E. Bramlet
1992-9-9
7658
Riverside
Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek, up the San Mateo Trail north to Potrero de la Cienega.
396
Comment
RSA588682 Xanthium strumarium
Orlando Mistretta
1995-7-12
1896
Los Angeles
San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam.
976
Comment
RSA593421 Xanthium strumarium
Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz
1996-7-11
8899
Los Angeles
Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake.
470
Comment
RSA594344 Xanthium strumarium
Steve Boyd, Lauren Raz
1996-10-14
9029
Los Angeles
Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road.
671
Comment
RSA594583 Xanthium strumarium
L. C. Wheeler
1966-9-21
8887
Los Angeles
East fork San Gabriel Canyon at Burro Canyon.
457
Comment
RSA596464 Xanthium strumarium
Lauren Raz, S. D. Boyd
1996-10-23
001
Los Angeles
Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road
609
Comment
RSA599920 Xanthium strumarium
E. R. Blakley
1958-10-12
B- 2532
Santa Barbara
Santa Cruz Island. 1.5 mi. east of Stanton Ranch Hdq. near a field named El Sobrante
137
Comment
RSA601154 Xanthium strumarium
L. C. Wheeler
1966-9-6
8866
Los Angeles
San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir
Comment
RSA619864 Xanthium strumarium
D. L. Banks
1997-6-16
2130
San Diego
NW Palomar Mountains, Agua Tibia Mountains: Pala Indian Reservation. North of the San Luis Rey River, along Pala Creek, south of Pala Mission Rd.
113
Comment
RSA666106 Xanthium strumarium
Fred M. Roberts, Michelle Lee
2001-6-18
5495
Orange
Rancho Mission Viejo: Chiquita Ridge, 0.3km WNW Median Rancho Survey Marker. PCR Vernal Pool 4.
226
Comment
RSA678030 Xanthium strumarium
Sarah J. De Groot
2002-9-29
806
San Diego
Hidden Meadows 92026. Mtn Meadow rd. & Meadow Glen wy E.
Comment
RSA692070 Xanthium strumarium
A. C. Sanders, Mark Elvin
2002-8-28
25599
Los Angeles
NE end of Santa Susana Mts.: Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusment park
360
Comment
RSA699679 Xanthium strumarium
Keith E. Hoffmaster
1926-12-18
s.n.
Orange
Santa Ana
Comment
RSA703093 Xanthium strumarium
Fred M. Roberts, Art Davenport
2003-9-11
6003
Orange
Rancho Mission Viejo: Donna O'Neill Land Conservancy. Cristianitos Cyn., 0.79 km N Sycamore Gate 0.23 km w of Crisianitos Road.
126
Comment
RSA703628 Xanthium strumarium
Scott D. White, Angelia Carey
2004-9-16
10766
Riverside
San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence.
503
Comment
RSA708732 Xanthium strumarium
Fred M. Roberts, Robert L. Allen, Chris M. Barnhill
2004-8-21
6116
Orange
Santa Ana Mountains; Casper Wilderness Park, San Juan Cyn., Old San Juan Hot Springs, ca. 0.4 km SW San Juan Ranger Station, N of SR 74.
214
Comment
RSA709001 Xanthium strumarium
L. M. Moe
2004-5-30
2599
Kern
Tule Elk State Reserve. Large colony along west bank of outlet canal near the Adobe.
88
Comment
RSA714338 Xanthium strumarium
J. P. Rebman, Jeannie Gregory, M. Mulligan, J. Barth
2005-8-13
12229
San Diego
San Vicente Reservoir: North of Lakeside, east of Hwy 67, northeast of intersection between Moreno Ave. and Vigilante Road; west side of reservoir in the first cove north of the boat landing.
195
Comment
RSA715403 Xanthium strumarium
Sarah J. De Groot, Aydee Virgen, Charles Land
2004-6-26
4368
San Bernardino
Whipple Mountains: Along Rio Vista Dr. near Rahun Trail. Colorado River Indian Reservation (permit 5 Feb. 2004), material not to be propagated.
98
Comment
RSA715416 Xanthium strumarium
Sarah J. De Groot, Aydee Virgen, Charles Land
2004-6-26
4384
San Bernardino
WHIPPLE MOUNTAINS: Along levee road S/SW of Big River. Colorado River Indian Reservation (permit 5 Feb. 2004), material not to be propagated.
96
Comment
RSA715417 Xanthium strumarium
Sarah J. De Groot, Aydee Virgen, Charles Land
2004-6-26
4384
San Bernardino
WHIPPLE MOUNTAINS: Along levee road S/SW of Big River. Colorado River Indian Reservation (permit 5 Feb. 2004), material not to be propagated.
96
Comment
RSA724816 Xanthium strumarium
L. Ahart
2006-9-11
13278
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
432
Comment
RSA730191 Xanthium strumarium
Naomi Fraga, Daniel Brock
2004-10-31
1339
Kern
The Owens Peak Eastern Watershed: Indian Wells Canyon.
1098
Comment
RSA735544 Xanthium strumarium
A. C. Sanders, Fred M. Roberts
2008-6-17
35483
Orange
Lomas de Santiago, East Loma Ridge Spur Road c. 600 m NW of Hicks Cyn. Haul Rd.
408
Comment
RSA747206 Xanthium strumarium
K. M. Meyer, A. Townesmith
2007-9-24
250
Santa Clara
Henry W. Coe State Park, SW corner of park, Hunting Hollow entrance and parking area.
253
Comment
RSA750344 Xanthium strumarium
P. DeVries
2009-7-1
7555
Kern
Western Transverse Range; San Emigdio Mtns. Region; Bitter Creek National Wildlife Refuge; ca. 5.0 air miles E of the junction of Cerro Noroeste and Highway 166.
689
Comment
RSA763514 Xanthium strumarium
R. G. Swinney
2008-11-30
9874
Los Angeles
San Gabriel Mtns.: Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon.
204
Comment
RSA763829 Xanthium strumarium
Doris Bowers
1974-5-4
2243
Imperial
Coyote Creek, Anza-Borrego State Park
335
Comment
RSA771480 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15578
Butte
Lower Honcut Road, 1.2 miles east of its junction with CA-70, 1.85 mi. WSW (258deg.) of Honcut, 7.2 mi. SE (114deg.) of Gridley
35
Comment
SBBG101659 Xanthium strumarium
S. A. Junak
1990-8-21
SN 521
Ventura
Barge Landing area Daytona Beach
7
Comment
SBBG103957 Xanthium strumarium
D. Swinney
1991-10-6
1624
San Bernardino
Cajon Cyn, near stream ca. 0.5 mi S of N end of old US Hwy 395
880
Comment
SBBG108671 Xanthium strumarium
N. Meng
1966-10-30
353
Kern
E side N Fork Lake Isabella, near Camp Area 9
Comment
SBBG111174 Xanthium strumarium
E. Neese, E. Painter
1994-7-19
HL 790
Monterey
San Antonio River, near Nacimiento-Fergusson Rd bridge, ca. 1.3 km NNW of Oro Fino Cyn; Ft Hunter Liggett
300
Comment
SBBG116075 Xanthium strumarium
R. Burgess, P. Munro
2000-10-6
4256
Ventura
S end of Lake Eleanor, W side of Decker Rd (St Hwy 23); Thousand Oaks
304
Comment
SBBG117739 Xanthium strumarium
M. Wetherwax, E. Painter
2002-9-4
CR 366
San Luis Obispo
Sulphur Springs Rd, near pipeline crossing; Camp Roberts
251
Comment
SBBG117749 Xanthium strumarium
E. Painter, M. Wetherwax
1999-11-15
SLO 28
San Luis Obispo
main channel of Chorro Crk for ca. 0.5 km, above confluence of main channel and branch; Camp San Luis Obispo
100
Comment
SBBG121077 Xanthium strumarium
R. Burgess, P. Munro
2001-9-23
4989
Ventura
drying pond NW of upper Rose Lake, Rose Valley
1021
Comment
SBBG128113 Xanthium strumarium
M. L. Hoefs, D. R. Hoefs, J. Hernandez
1995-6-15
2264
Los Angeles
Cottonwood Cyn
33
Comment
SBBG131853 Xanthium strumarium
S. J. DeGroot, N. Chumchim
2015-7-2
7422
Ventura
Santa Clara River floodplain just E of Santa Paula, off S end of Hallock Drive, S of Sulphur Mtn/Santa Paula Ridge; Nature Conservancy Loughman Property
75
Comment
SBBG14595 Xanthium strumarium
E. C. Twisselmann
1962-10-5
7907
San Luis Obispo
Grant Lake
594
Comment
SBBG27809 Xanthium strumarium
H. M. Pollard
1967-8-30
Santa Barbara
sandspit, breakwater; Santa Barbara
Comment
SBBG29226 Xanthium strumarium
M. L. Long
1947-11-23
Santa Barbara
0.5 mi E of Arroyo Burro Beach [Hendry Beach]
Comment
SBBG31206 Xanthium strumarium
R. F. Thorne
1966-9-14
36668
Los Angeles
Little Harbor
3
Comment
SBBG36161 Xanthium strumarium
M. R. Benedict
1968-9-26
Santa Barbara
estuary, Christi Harbor
1
Comment
SBBG36462 Xanthium strumarium
C. F. Smith
1949-9-15
2452
Santa Barbara
Hope Ranch
Comment
SBBG36563 Xanthium strumarium
C. F. Smith
1948-9-7
2278
Santa Barbara
William's Way, Mission Cyn Heights
Comment
SBBG38992 Xanthium strumarium
H. M. Pollard
1966-9-22
Ventura
Southern Pacific Railroad, E of and near Devil's Gulch; Oak View
Comment
SBBG39846 Xanthium strumarium
E. R. Blakley, E. K. Balls
1958-10-12
2532
Santa Barbara
1.5 mi E Stanton Ranch headquarters, near a field named El Sobrante
137
Comment
SBBG40204 Xanthium strumarium
H. M. Pollard
1958-11-25
Santa Barbara
above ocean, Summerland
Comment
SBBG4328 Xanthium strumarium
S. A. Junak
1998-9-24
SR 899
Santa Barbara
just inland from mouth of Bee Cyn
1
Comment
SBBG47755 Xanthium strumarium
P. A. Meyers
1973-9-3
DM- 1081
Ventura
ca. 1 mi W of Port Hueneme Naval Base and 0.25 to 0.5 mi inland from beach
3
Comment
SBBG48094 Xanthium strumarium
L. S. Matlovsky
-Jan-1974
DM 5931 -51
Santa Barbara
mouth of Bell Cyn, between Southern Pacific Railroad and ocean, just W of Sandpiper Golf Course, near Ellwood
Comment
SBBG52609 Xanthium strumarium
R. Zembal
1977-6-4
Ventura
just S of P. W. Storage Yard; Pacific Missile Test Center
Comment
SBBG61638 Xanthium strumarium
R. Hoffmann
1927-8-2
Santa Barbara
near beach; Santa Barbara
Comment
SBBG81111 Xanthium strumarium
S. Cantrell, W. Appleby
1985-9-19
Riverside
Santa Ana River Regional Park, Riverside, S side of river
207
Comment
SBBG86410 Xanthium strumarium
C. F. Smith
1943-10-1
152
Santa Barbara
N end of Cheltenham Rd, above Tunnel Rd, Mission Cyn
213
Comment
SBBG86417 Xanthium strumarium
C. F. Smith
1943-10-9
226
Santa Barbara
N end of Cheltenham Rd, above Tunnel Rd, Mission Cyn
Comment
SBBG86419 Xanthium strumarium
C. F. Smith
1949-9-15
2452
Santa Barbara
around Laguna Blanca (Hope Ranch Lake)
Comment
SBBG88149 Xanthium strumarium
C. F. Smith
1965-9-15
Santa Barbara
in oil fields in foothills of Cuyama
Comment
SBBG88330 Xanthium strumarium
S. A. Junak
1988-9-1
SN 267
Ventura
barge landing area at Daytona Beach near gravel piles
6
Comment
SBBG88815 Xanthium strumarium
C. F. Smith
1943-9-2
25
Santa Barbara
N end of Cheltenham Rd, near Montrose Place above Tunnel Rd, Mission Cyn
Comment
SBBG94207 Xanthium strumarium
C. F. Smith
1956-1-22
Santa Barbara
upper Gibraltar Lake, near Mono Adobe, upper Santa Ynez River
Comment
SBBG96653 Xanthium strumarium
H. M. Pollard
1957-10-17
Santa Barbara
Summerland
Comment
SD113178 Xanthium strumarium
Darley F. Howe
1950-9-17
2027
San Diego
Just east of the old bridge over Lake Hodges
Comment
SD113179 Xanthium strumarium
D. F. Howe
1935-8-4
292
San Diego
Lower Tia Juana (sic) Valley.
Comment
SD118569 Xanthium strumarium
Duffie Clemons
1985-7-7
1175
San Diego
In dry stony stream bed at mouth of canyon Ao mile west of I-15 and I(c) m east of Shawn Ave. dead-end.
29
Comment
SD12055 Xanthium strumarium
Frank F. Gander
1935-7-10
233 7
San Diego
San Luis Rey river west of Pala, San Diego.
Comment
SD12320 Xanthium strumarium
Frank F. Gander
1935-10-24
268 12
San Diego
2 miles northwest of Oak Grove.
Comment
SD136625 Xanthium strumarium
John W. Brown
1995-5-28
MM 249
San Diego
McGinty Mountain, northern portion, western edge of The Mesa
Comment
SD146358 Xanthium strumarium
Jon Rebman, Annette Winner and Oscar Solis
1999-9-10
5989
San Diego
North Park area of the city of San Diego; canyon just south of Juniper St. between 33rd St. and Commonwealth Ave.
139
Comment
SD152114 Xanthium strumarium
Jon Rebman, Oscar Solis, Karen Rich, Bob Lauri
2000-2-11
6177
San Diego
San Diego Urban Canyons, North Park/Golden Hill: Cedar Ridge area, canyons
149
Comment
SD152914 Xanthium strumarium
Steve Boyd, Tim Ross, Dave Bramlet
1992-9-9
7658
Riverside
So. Santa Ana Mtns: Upper San Mateo Cyn, fr. the jctn of Tenaja Rd (7S01) & Los Alamos Rd (7S04) at the confluence of Los Alamos Creek., up the San Mateo Trail no. to Potrero de la Cienega. Along stream, vicinity of trailhead at jctn of 7S01 & 7S04.
395
Comment
SD153392 Xanthium strumarium
Jeannie Gregory
2003-6-7
376
San Diego
Alpine, west 5 acres of old El Rancho Metate on Tavern Road.
580
Comment
SD154361 Xanthium strumarium
Karen Rich
2003-10-19
119
San Diego
In 1600 block of San Dieguito Road, at intersection of Windland Hills Drive.
29
Comment
SD154362 Xanthium strumarium
Carrie Schneider
2003-9-28
11
San Diego
East San Diego City, West Switzer Canyon area near the border of North Park and Golden Hill; North of Hwy 94 and East of Interstate 805
57
Comment
SD156420 Xanthium strumarium
Jon P. Rebman, A. Pigniolo and R. Cerutti
2002-8-2
8222
San Diego
El Capitan Reservoir, southeast end where Conejos Creek dumps into the lake; southeast of El Cajon Mountain, northwest of Alpine and north I-8 at Peutz Valley
230
Comment
SD158776 Xanthium strumarium
Joe Barth
2004-8-17
81
San Diego
Chula Vista Wildlife Reserve: in southeast SanDiego Bay (access via electrical power plant).
0
Comment
SD159775 Xanthium strumarium
Dick Schwenkmeyer
2004-9-8
66
San Diego
Greenbelt section of Shepard Canyon, just east of Santo Road in Tierrasanta
121
Comment
SD160366 Xanthium strumarium
Margaret Fillius
2004-6-28
151
San Diego
Rose Canyon, in open area near riparian
29
Comment
SD160367 Xanthium strumarium
Gay Dorius
2004-9-6
109
San Diego
Rose Canyon East extension to the West end of Govenor Dr.
103
Comment
SD160368 Xanthium strumarium
Jeannie Gregory, M. A. Kessler, J. Barth, W. Sangkatavat
2004-8-20
1106
San Diego
Lake Sutherland; off of Highway 78; eastern edge at Santa Ysabel Creek inlet
616
Comment
SD164282 Xanthium strumarium
Jon P. Rebman, Jeannie Gregory
2003-7-25
9432
San Diego
Rancho Jamul Ecological Reserve: west of Hwy. 94, south of Jamul & north of Otay Lakes Road; pond east of Jamul Creek and old cement kiln
224
Comment
SD165266 Xanthium strumarium
Nuri Pierce, Chris Schlech, Joe Barth, Vols. from HelixES
2004-8-28
26
San Diego
Lakeside, East end of El Monte Road, El Capitan Reservoir, Upward from the dam
173
Comment
SD165755 Xanthium strumarium
Mark A. Elvin, Harry Spillman et al.
2005-4-2
4131
San Diego
E side of Otay Mtn; Marron Creek along Marron Valley Road; 2.1km (air) N of Mexico; near gate to City of San Diego Preserve.
274
Comment
SD166878 Xanthium strumarium
Jon P. Rebman, J. Gregory & parabotany team
2004-8-20
10660
San Diego
Lake Sutherland: north of Hwy. 78 between Ramona and Santa Ysabel; dry lakebed at southeast end of lake
605
Comment
SD167195 Xanthium strumarium
Andrew C. Sanders
2005-10-7
31763
San Diego
Agua Hedionda Lagoon Ecological Reserve, SE of the lagoon near Cannon Rd. and west of El Camino Real, SSE of Laguna Riviera Park but south of Agua Hedionda Creek Quad
3
Comment
SD167196 Xanthium strumarium
Andrew C. Sanders
2005-10-12
31840
San Diego
Carlsbad, Carlsbad Highlands Ecological Reserve, spring in canyon ca. 0.8 mile south of Cerro de la Calavera
29
Comment
SD167742 Xanthium strumarium
Barbara Sullivan, Darren Smith
2005-2-4
119
San Diego
City of San Diego, Torrey Pines State Reserve, along reserve road North of Lodge.
46
Comment
SD169836 Xanthium strumarium
Beverly Pecunia
2005-8-29
9
San Diego
NE of the city of Escondido, N shore of western section of Lake Wohlford, NE end of boat dock parking lot near entrance to park.
458
Comment
SD169837 Xanthium strumarium
Richard L. Breisch
2005-5-21
74
San Diego
City of San Diego(Mission Bay Park), north side of San Diego River, south of Sea World Dr 1.25 mi W of its junction with I-5.
4
Comment
SD169838 Xanthium strumarium
David Woelfel, Beatrice Woelfel
2005-9-5
32
San Diego
5 mi NW of city of Fallbrook, 0.3 mile on De Luz Murrieta Rd southwest of Riverside County line at first stream crossing on north side of road just off road.
166
Comment
SD172758 Xanthium strumarium
David Woelfel, Beatrice Woelfel
2005-9-17
56
San Diego
Along Sandia Canyon Creek just north of the confluence with Santa Margarita River, approx 1.5 miles north of Fallbrook and 0.3 miles west of intersection of Rock Mountain Rd and Sandia Creek Dr.
98
Comment
SD173411 Xanthium strumarium
Andrew C. Sanders
2005-6-22
31169
San Diego
Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, north side of lagoon between Carlsbad Blvd. (S-21) and the RR, south of Eaton St.
Comment
SD174387 Xanthium strumarium
Margaret R. Mulligan, Joe Barth
2005-8-1
1294
San Diego
McGinty Mountain Ecological Reserve (Calif Fish & Game). SE of city of El Cajon. SE of intersection of Willow Glen Dr and Hillsdale Rd, in bed of Sweetwater River
118
Comment
SD174762 Xanthium strumarium
Jon P. Rebman, J. Gregory, J. Rocks, & M. Hawke
2005-5-17
11932
San Diego
Otay Mountain Ecological Reserve (California Dept. of Fish & Game): Southeast of Lower Otay Lake, east of the landing strip; just south of Otay Lakes Road near the reserve entrance
155
Comment
SD175380 Xanthium strumarium
Jon P. Rebman, J. Gregory, M. Mulligan, & J. Barth
2005-8-13
12229
San Diego
San Vicente Reservoir: North of Lakeside, east of Hwy. 67, northeast of intersection between Moreno Ave. and Vigilante Road; west side of reservoir in the first cove north of the boat landing
195
Comment
SD175720 Xanthium strumarium
Jon P. Rebman, M. Mulligan, K. Rich, M. White & J. Stallcup
2005-9-11
12303
San Diego
Long Portrero area: NE of Tecate, SW of Morena Reservoir; ca. 3 miles N of Hwy. 94 and north of Portrero Valley Road on a dirt road; vicinity of a small pond
740
Comment
SD176361 Xanthium strumarium
Margaret R. Mulligan, Joe Barth
2005-8-11
1354
San Diego
Sycuan Peak Ecological Reserve (California Dept of Fish & Game). SE of Dehesa, 1 mi SW of Loveland Reservoir, 1.25 mi N of Sycuan Peak, in the Sweetwater River Watershed, at the E end of Sloan Ranch Truck Trail.
248
Comment
SD176362 Xanthium strumarium
Margaret R. Mulligan, Joe Barth
2005-8-9
1346
San Diego
Walker Canyon Ecological Reserve (California Fish & Game): between the towns of Boulevard and Jacumba on the north side of Interstate 8. Western half of riparian zone.
938
Comment
SD177269 Xanthium strumarium
Barbara Sullivan
2005-8-9
240
San Diego
City of San Diego, Crest Canyon, in bottom of canyon, just North of the west end of Lozana Rd on half-mile loop trail.
89
Comment
SD177270 Xanthium strumarium
Andrea Harrison
2005-9-15
122
San Diego
Poway, West Sycamore Canyon, 2 mi SW of the intersection of Scripps Poway Parkway and Sycamore Canyon Road.
220
Comment
SD177875 Xanthium strumarium
Jon P. Rebman, J. Gregory and M. Mulligan
2006-10-5
12974
San Diego
Lake Henshaw (Vista Irrigation District property): approx. 2.5 miles N of the Lake; along Henshaw Truck Trail where it crosses the riparian area that drains into the lakel
835
Comment
SD178721 Xanthium strumarium
MaryAnn Brooks-Gonyer, Beverly Pecunia
2005-10-24
408
San Diego
About 6.5 miles north of Escondido, on the western edge of Valley Center, 1 mi East of Hwy 395, Ao mile south of Circle R Drive, in Castle Creek Treasures housing development in a preserved riparian area N of Tobira Dr. and W of Platanus Dr.
146
Comment
SD178722 Xanthium strumarium
Victoria Marshall
2006-7-7
369
San Diego
The Ramona Grasslands (The Nature Conservancy)on the Santa Maria Creek 0.5 mi northeast of junction of Archie Moore Rd and Highland Valley Rd and 0.75 mi northwest of junction of Highland Valley Rd and Rangeland Rd.
405
Comment
SD179778 Xanthium strumarium
Jon P. Rebman, J. Gregory and L. Aerne-Hains
2007-7-9
13689
San Diego
Lake Henshaw: SE of East Grade Road and S of Henshaw Truck Trail, approx. 0.5 air miles NE of the dam; along the north shore of the Lake
815
Comment
SD180407 Xanthium strumarium
Nancy Nenow, Char Glacy
2005-9-3
185
San Diego
San Diego, in northern part of Balboa Park on the west side of Florida Drive just south of Morley Field Drive.
57
Comment
SD182029 Xanthium strumarium
Kerry W. Key
2005-12-29
176
San Diego
San Diego, Carmel Valley. Wetland and drainage basin 100 m south of SR56 and 20 feet south of El Camino Real.
9
Comment
SD182030 Xanthium strumarium
Ian Cain, Emily Clayton
2006-7-12
272
San Diego
City of Vista. Anstine-Audubon Bird Sanctuary. 170 meters north of the intersection of Hutchison and Osborne Street. 55 meters south of the intersection of Hutchison Street and Hidden Lake Lane.
92
Comment
SD182962 Xanthium strumarium
Jon P. Rebman, J. Gregory, K. Rich, & P. Famolaro
2007-9-12
13901
San Diego
Sweetwater Reservoir: east of National City and south of La Presa; along the north shore near Neal Cove; northeast side of the reservoir
71
Comment
SD182963 Xanthium strumarium
Jon P. Rebman, J. Gregory, K. Rich, & P. Famolaro
2007-9-12
13930
San Diego
Sweetwater Reservoir: east of National City and south of La Presa; vicinity of wet marsh and meadow areas just northeast and upstream from the east end of the reservoir
71
Comment
SD184695 Xanthium strumarium
Paul Beiley
2006-6-15
103
San Diego
San Diego River floodplain about 300 yards N of river, just S of Willow Rd. and about Ao-mile E of Ashwood St., Lakeside. Stelzer Summit is about 1Ao miles to NE.
128
Comment
SD185571 Xanthium strumarium
Jolynn Robbins
2006-9-4
58
San Diego
Damon Lane County Park in south El Cajon. South on Jamacha to Fury, turn right. Then right on Wieghorst, left on Calle Albara.
68
Comment
SD186699 Xanthium strumarium
Jon P. Rebman, M. Mulligan & W. Schmidtmann
2008-6-19
15576
San Diego
Camp Pendleton Marine Corps Base: along North River Road, just east of Stuart Mesa Road; along the Santa Margarita River in the southwestern portion of the base
3
Comment
SD186700 Xanthium strumarium
Jon P. Rebman, Margie Mulligan
2008-5-28
15295
San Diego
Hellhole Canyon Open Space Preserve: east of Valley Center and northeast of Lake Wohlford; southwest portion of preserve, along Hellhole Creek just west of the canal pipe
451
Comment
SD187372 Xanthium strumarium
Scott D. White, Angelia Carey
2004-9-16
10766
Riverside
San Jacinto river wash and adjacent alluvial benches, near Indian Creek confluence.
502
Comment
SD187768 Xanthium strumarium
Larry Hendrickson
2006-9-1
1808
San Diego
Banner, State Hwy 78, 3 mi W of Scissors Crossing, Banner Recreation Ranch, near Banner Creek at base of Volcan Mtn in private campground.
839
Comment
SD188796 Xanthium strumarium
Jon P. Rebman, M. Mulligan & W. Schmidtmann
2008-6-19
15695
San Diego
Camp Pendleton Marine Corps Base: near North River Road, east of Stuart Mesa Road in the southwestern portion of the base; in the Santa Margarita River bed along the water pipe that crosses the river
10
Comment
SD188797 Xanthium strumarium
Ian Cain, Terri Foster, Emily Clayton
2006-8-14
306
San Diego
City of Lemon Grove. Chollas Lake Community Park. North Chollas Canyon. Just east of the Chollas Canyon Parking Lot.
102
Comment
SD189563 Xanthium strumarium
Jerilyn Hirshberg
2006-9-10
1327
San Diego
Cleveland National Forest, Inaja Memorial Park, 0.25 mile south of entrance to Inaja picnic area on Highway 78/79 between Santa Isabel and Wynola.
940
Comment
SD190460 Xanthium strumarium
Jon P. Rebman, M. Mulligan & D. Bieber
2008-6-25
15755
San Diego
Camp Pendleton Marine Corps Base: south of Stagecoach Road and north of the airstrip along Vandegrift Blvd.; in the Santa Margarita River bed
20
Comment
SD192423 Xanthium strumarium
Jan E. Maxted, Don Maxted
2006-10-6
380
San Diego
Bratton Valley, land surrounding 18569 Deerhorn Valley Rd, 3 mi N of Dulzura, 2.5 mi SE of Lyons Peak summit, I(c) mi. SE of inters of Honey Springs Rd & Deerhorn Valley Rd.
619
Comment
SD193252 Xanthium strumarium
A. C. Sanders
2005-6-24
31197
San Diego
San Dieguito Lagoon Ecological Reserve, north edge of reserve along Palm Lane, east of San Dieguito Dr.
Comment
SD196327 Xanthium strumarium
Elizabeth P. Lowe
2006-6-18
156
San Diego
City of San Marcos, 1 3/4 mi S of Hwy 78, 1/1/2 mi W of Country Club Drive, N side of Oceanview Dr. 0.1miles W from the intersection with Washingtonia
417
Comment
SD196328 Xanthium strumarium
Ian Cain
2007-10-7
651
San Diego
City of San Diego. Tecolote Canyon east of Mission Bay and I-5, south of Balboa Avenue, 80 yds NW of end of Mount Ararat Drive.
56
Comment
SD198283 Xanthium strumarium
Melvin M. Sweet
2007-7-31
444
San Diego
City of San Diego; 1/4 mile from the end of the canyon running from Eastgate Mall (starting 1/8 mile E of the intersection of Eastgate and Genesee Ave) to the end of Roselle St.
32
Comment
SD198284 Xanthium strumarium
CRES Native Seed Gene Bank, M Kedziora
2007-9-3
408
San Diego
San Marcos, 0.2 mi W of junction of S Bent Ave and Discovery St, 0.2 mi NE of junction of W San Marcos Blvd and Via Vera Cruz
149
Comment
SD199064 Xanthium strumarium
Jon P. Rebman, M. Mulligan, M. Dinkins, B. Lardiere
2009-7-16
18194
San Diego
Camp Pendleton Marine Corps Base: Delta Training Area in the northwestern portion of base; east of Talega Canyon Road along San Mateo Creek and west of Devil Canyon
130
Comment
SD199065 Xanthium strumarium
Jon P. Rebman, K. Rich, R. Kurner, E. Berbeo
2009-9-1
18265
San Diego
Cuyamaca Rancho State Park: Middle Peak; along Middle Peak Loop Fire Road on the east side of the peak
1615
Comment
SD199066 Xanthium strumarium
Victoria Marshall
2007-10-12
676
San Diego
Ramona; Simon Park Open Space Preserve, park entrance ca 2.0 mi south of intersection of Old Julian Highway and Vista Ramona Rd.
476
Comment
SD201429 Xanthium strumarium
John Groth, Terri Groth
2007-9-29
109
San Diego
Cleveland National Forest, Cuyamaca Mountains, 3.75 mi SW of Middle Peak, 500' E of the Boulder Creek Road crossing, on Boulder Creek
824
Comment
SD203287 Xanthium strumarium
Margaret R. Mulligan, J. Rebman, M. Dinkins
2009-3-5
2656
San Diego
Camp Pendleton Marine Corps Base, White Beach Training Area, along beach ca. I(c) mi NW of Santa Margarita River outlet.
6
Comment
SD205567 Xanthium strumarium
Jerilyn Hirshberg
2008-8-9
1933
San Diego
Cleveland National Forest, W side of Cuyamaca Mountains, 0.5 mile east of Saddleback parking area, edge of Cedar Creek .25 mile NE of intersection with Cedar Creek Road
559
Comment
SD207688 Xanthium strumarium
Margaret R. Mulligan, J. Hirshberg
2008-10-22
2637
San Diego
Hauser Wilderness, Cleveland National Forest: N edge of Wilderness, in first large drainage to the NW of Stokes Valley along Skye Valley Road. Drainage begins ca. 1 mi SE on Skye Valley Road from gate to Skye Valley.
869
Comment
SD207689 Xanthium strumarium
Carolyn Martus
2008-6-16
759
San Diego
Fallbrook, 3I(c) mi NE of, 3 mi NW of Rainbow, by Santa Margarita River on the trail that runs on north and west side of river about 1.2 miles north or upstream of the junction of the Santa Margarita river and Willow Glen road.
142
Comment
SD207690 Xanthium strumarium
CRES Native Seed Gene Bank, B Moseley
2007-8-27
404
San Diego
Valley Center, San Pasqual Reservation, 0.10 NE of Education Department at the corner of Kumeyaay Way and San Pasqual Road
523
Comment
SD210091 Xanthium strumarium
Jon P. Rebman, J. Schlachter, L. Aerne Hains, & volunteers
2010-6-30
19787
San Diego
Southwest of Campo: South of Highway 94; on Bureau of Land Management lands along wet canyon/streambed near dirt road and approximately 0.6 miles north of the USA/Mexico border
765
Comment
SD210092 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann and volunteers
2010-11-16
20419
San Diego
Camp Pendleton: India Training Area; west of the Santa Margarita River; along De Luz Creek in the vicinity of Camp De Luz
60
Comment
SD210093 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann and volunteers
2010-11-16
20459
San Diego
Camp Pendleton: Golf Training Area; west of the Santa Margarita River; along De Luz Creek north of Camp De Luz
64
Comment
SD210816 Xanthium strumarium
Jerry Green
2009-7-27
97
San Diego
Rancho Penasquitos, Black Mountain area, 1/4 mile north of Black Mountain Rd & Carmel Valley Rd
209
Comment
SD212519 Xanthium strumarium
Andrew C. Sanders
2005-5-27
30322
San Diego
Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q.
Comment
SD216844 Xanthium strumarium
Jon P. Rebman, Warren Schmidtman
2011-5-9
21597
San Diego
Camp Pendleton: Uniform Training Area; west of I-5, along beach at the mouth of a canyon; north of Las Pulgas Road, north of the ocean overlook pullout on southbound I-5 and south of San Onofre State Beach
3
Comment
SD217238 Xanthium strumarium
Darin L. Banks
1997-6-16
2130
San Diego
Pala Indian Reservation; north of the San Luis Rey River, along Pala Creek, south of Pala Mission Road
113
Comment
SD218617 Xanthium strumarium
Richard L. Breisch
2010-8-4
736
San Diego
City of San Diego, Tecolote Canyon Natural Park, abt Ao mi E of terminus of Burfurd Street, northeast of Tecolote Canyon Golf Course, in a tributary to Tecolote Creek
49
Comment
SD21866 Xanthium strumarium
Frank F. Gander
1938-7-7
6070
San Diego
Spring Valley.
Comment
SD219386 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann, G. Kenney, et al.
2011-6-2
22107
San Diego
Camp Pendleton: southwestern corner of Base north of the Santa Margarita River mouth; Training Area Beach F, just south of the LCAC facility; in a small canyon off of the beach and its surrounding slopes and coastal bluff
4
Comment
SD219387 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann, J. Rocks, G. Kenney
2011-6-7
22134
San Diego
Camp Pendleton: Training Area Beach F, around the tower just west of the LCAC facility; on the beach and surrounding coastal bluff
2
Comment
SD219795 Xanthium strumarium
Larry Hendrickson, Fredrick Campbell
2009-9-25
4278
San Diego
Mesa Grande. San Dieguito River Park, Joint Powers Authority property. 2.8 air miles WNW of intersection of State hwy. 78-79 (Santa Ysabel), and 3.2 air miles SSE of access gate at Mesa Grande Road. Abt 4 mi W of Lake Sutherland dam.
853
Comment
SD220254 Xanthium strumarium
Nancy Nenow, Barbara Nolan
2010-6-9
1266
San Diego
City of San Diego; Mira Mesa in the canyon south of Calle Cristobal and east of Camino Santa Fe on the north side of the dry riverbed.
102
Comment
SD225478 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann and G. Kenney
2012-5-22
24017
San Diego
Camp Pendleton: Training Area Romeo II; southeast of San Onofre Peak; along Horno Canyon Road east of El Camino Real and I-5
210
Comment
SD226360 Xanthium strumarium
Barbara Booth, Chris Murphy
2011-6-19
532
San Diego
Pala; Wilderness Gardens Preserve, entrance at 14209 Highway 76, at west edge of river at River View Trail crossing, near 0.25 miles NW of junction Highway 76 and Bodie Blvd.
181
Comment
SD22913 Xanthium strumarium
Frank F. Gander
1938-10-5
6546
San Diego
Railroad Crossing, 3 miles west of Bostonia
Comment
SD22936 Xanthium strumarium
Frank F. Gander
1938-10-5
6579
San Diego
Alpine
Comment
SD23020 Xanthium strumarium
Frank F. Gander
1938-10-5
6663
San Diego
3 miles southwest White Star.
Comment
SD230477 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann and G. Kenney
2012-11-6
25302
San Diego
Camp Pendleton: Training Area Hotel; in the extreme eastern part of the Base; northwest of Fallbrook and just north of De Luz Road; along the Santa Margarita River just north of the De Luz Road bridge
85
Comment
SD23055 Xanthium strumarium
Frank F. Gander
1938-10-5
6699
San Diego
Spring Valley.
Comment
SD23128 Xanthium strumarium
Frank F. Gander
1938-10-20
6765
San Diego
Near Foster, Ramona Road
Comment
SD23172 Xanthium strumarium
Frank F. Gander
1938-10-20
6809
San Diego
5 miles northeast of Ramona.
Comment
SD23209 Xanthium strumarium
Frank F. Gander
1938-10-20
6846
San Diego
Junction Henshaw to Pala and Palomar Road, Highway to the stars
Comment
SD235930 Xanthium strumarium
Sheri Konen, Mike Greene
2008-9-12
65
San Diego
Ramona, 4Ao mi N of, about 1 mi W of Pamo Valley Rd along Cleveland National Forest Route 12S04 by Santa Ysabel Creek
277
Comment
SD235931 Xanthium strumarium
Joe Barth
2011-11-22
1963
San Diego
N terminus of Lake Murray Blvd, 0.2 mile W of Grossmont College. City of San Diego. Mission Trails Regional Park trailhead area.
192
Comment
SD235932 Xanthium strumarium
Beverly Pecunia
2010-9-24
305
San Diego
North of Escondido; 1.6 miles NE of I-15 and Mountain Meadows Road, W of Turner Lake
444
Comment
SD235933 Xanthium strumarium
Joe Barth
2011-10-25
1882
San Diego
E side of Lake Murray, tip of Baltimore Drive finger of the lake.
163
Comment
SD236228 Xanthium strumarium
G. K. Helmkamp, E. A. Helmkamp
2006-10-10
11518
Nevada
Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 5.8 miles NNW of Nevada City (Nevada City 7.5'Q)
750
Comment
SD23637 Xanthium strumarium
Frank F. Gander
1938-11-4
6917
San Diego
San Luis Rey Valley, near Oceanside
Comment
SD238076 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann & G. Kenney
2014-4-16
27837
San Diego
Camp Pendleton: southeastern portion of Base; Training Area Lima; in a ruderal/disturbed area along a dirt road just south of a large parking lot on 4th Street
103
Comment
SD238077 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann & G. Kenney
2014-4-22
27983
San Diego
Camp Pendleton: northwestern portion of Base; along Cristianitos Creek, west of Guacamole Road & southeast of Cristianitos Road, just north of the convergence with San Mateo Creek
27
Comment
SD238645 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann & G. Kenney
2014-4-30
28123
San Diego
Camp Pendleton: State Park Lease area: northwestern portion of Base; west of the intersection of Cristianitos Road & Talega Road; along Cristianitos Creek
53
Comment
SD238646 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann & G. Kenney
2013-5-21
26651
San Diego
Camp Pendleton: south-central portion of Base; Training Area SMR2; northeast of the intersection of Vandegrift Blvd. and Basilone Road; along the southeast side of the Santa Margarita River
29
Comment
SD242539 Xanthium strumarium
Don Fosket
2013-7-18
162
San Diego
Cleveland National Forest; north of Ramona; along the Santa Ysabel Creek Trail, 0.75 mile W of junction with Pamo Road
327
Comment
SD243618 Xanthium strumarium
John LaGrange
2010-7-27
704
San Diego
Cleveland National Forest; north fork of canyon draining from Mesa Grande into Carney Canyon 0.85 mile south of Patton Lode Mine
641
Comment
SD244969 Xanthium strumarium
Jon P. Rebman, M. Rood, J. & S. Rebman-Rood, I. Happle
2013-10-5
27088
San Diego
Anza-Borrego Desert State Park: Oriflamme Canyon; southeast of Julian, west of Box Canyon & south of Granite Peak; riparian area off of Mason Valley Truck Trail
829
Comment
SD244970 Xanthium strumarium
Jon P. Rebman, V. Marshall, J. La Grange, & D. Crockett
2013-6-5
26844
San Diego
Cleveland National Forest: vicinity of Buckman Springs, NE of Morena Reservoir; south of Morena Stokes Valley/Corral Canyon Rd. and west of Buckman Springs Road; along streambed
925
Comment
SD245695 Xanthium strumarium
Richard L. Breisch
2011-8-5
816
San Diego
Lake Morena County Park; along Cottonwood Creek, just south of Corral Canyon Road about 0.75 mile SW of junction with Buckman Springs Road (S-1).
925
Comment
SD245696 Xanthium strumarium
Andy Mauro, Kathleen Mauro
2008-6-27
65
San Diego
Rancho Santa Fe; La Orilla Bridal Trail at NW corner of La Orilla and Rambla de los Flores streets
13
Comment
SD245697 Xanthium strumarium
Richard L. Breisch
2013-7-5
1067
San Diego
Cleveland National Forest; vicinity 1.8 miles N of junction Kitchen Creek Road and I-8; below & west of Pacific Crest Trail; in Kitchen Creek streambed.
1125
Comment
SD247075 Xanthium strumarium
John LaGrange
2010-8-4
749
San Diego
San Elijo Lagoon Preserve; W of I-5 along the freeway berm; 0.25 mile S of Manchester Avenue
3
Comment
SD247824 Xanthium strumarium
Nancy Nenow, Alina Levy
2011-8-8
2056
San Diego
Torrey Pines, Black's Beach on the beach; about 180 yards north of the stairs coming down from the gliderport, at the bottom of a small gully.
3
Comment
SD254960 Xanthium strumarium
Susan T Welker
1990-9-7
San Diego
San Elijo Lagoon Ecological Reserve; Along trail between El Camino Real and Santa Carina, Solana Beach. East of I-5, south side of Reserve near fresh water marsh
7
Comment
SD254961 Xanthium strumarium
Susan T Welker
1991-6-2
San Diego
San Elijo Lagoon Ecological Reserve; Along trail north of Holmwood Canyon, near water. West of I-5, south side of Reserve
2
Comment
SD25800 Xanthium strumarium
Frank F. Gander
1939-9-14
7719
San Diego
Spring Valley
Comment
SD25823 Xanthium strumarium
Frank F. Gander
1939-9-14
7742
San Diego
Campo
Comment
SD262008 Xanthium strumarium
Jon Rebman, W. Schmidtmann, & G. Kenney
2016-8-24
31895
San Diego
Camp Pendleton: west-central portion of Base; Oscar Two Training Area; in riparian area just south of Las Pulgas Canyon Road to the east of Stuart Mesa Road and west of Basilone Road.
22
Comment
SD263586 Xanthium strumarium
Jim Riley
2013-10-15
124
Orange
San Clemente area; 0.56 miles ESE intersection Avenida Pico and Camino La Pedriza; just N San Diego County line
68
Comment
SD28167 Xanthium strumarium
Frank F. Gander
1940-9-25
8799
San Diego
Encinitas
Comment
SD39601 Xanthium strumarium
E. A. Purer
1931-9-1
2294
Unknown
Silver Strand. Sand - along roadside.
Comment
SD39602 Xanthium strumarium
Edith A. Purer
1932-8-25
4749
Santa Barbara
Near Guadalupe
Comment
SD39603 Xanthium strumarium
Edith A. Purer
1931-9-1
San Diego
Oceanside
Comment
SD43528 Xanthium strumarium
Philip A. Munz
1946-10-2
11556
Orange
Santa Ana River Bottom, Rancho Santa Ana
120
Comment
SD53592 Xanthium strumarium
E. Norland
1963-7-29
San Diego
Spring Valley, southwest corner of Kenora Drive and Campo Highway
Comment
SD80438 Xanthium strumarium
Helen V. Witham
1971-5-18
1448
San Diego
San Onofre Bluffs State Beach
Comment
SD83535 Xanthium strumarium
R. Mitchel Beauchamp, R. C. Pierce
1970-12-5
1412
San Diego
Riverbed, Tijuana River Valley.
Comment
SD8626 Xanthium strumarium
1885-6-2
San Diego
Chollas Valley.
Comment
SDSU12784 Xanthium strumarium
H. Wedberg
1969-7-7
1472
San Diego
At Amaya Dr. x Severin in La Mesa.
152
Comment
SDSU13662 Xanthium strumarium
W. Miller, C. Mosse
1972-7-11
Riverside
Comment
SDSU13742 Xanthium strumarium
G. D. Beckett
1951-4-18
9148
San Diego
Bonita.
Comment
SDSU13743 Xanthium strumarium
H. Wedberg
1960-7-5
538
San Diego
Front yard, 9544 Rawlins Way, Santee, Carlton Hills tract.
Comment
SDSU14556 Xanthium strumarium
Craig H. Reiser, Kyle L. Ince
1990-6-22
22 -VI-90
San Diego
Camp Joseph Pendleton MCB. San Diego County, California. Base Section: Oscar I.
9
Comment
SDSU14557 Xanthium strumarium
John w. Brown
1993-9-24
S 1 .68
San Diego
Along dirt road adjacent to San Mateo Canyon. Sierra One (Bravo One). Marine Corps Base Camp Pendleton Sect. 28, NE 1/4, T.8 S., R.6 W, USGS 7.5 minute. San Clemente Quadrangle.
122
Comment
SDSU17547 Xanthium strumarium
Ian Cain
2007-10-12
653
San Diego
San Diego, Mission Trails Regional Park. North Fortuna mt. South of Highway 52, east edge of SDSU property, North West of grasslands.
Comment
SEINET269276 Xanthium strumarium
G. R. Ballmer
1994-10-12
San Bernardino
San Bernardino Valley: San Timoteo Creek about 100 m above its confluence with the Santa Ana River below Waterman Avenu
Comment
SEINET3240703 Xanthium strumarium
Melvin M. Sweet
2007-1
444
San Diego
City of San Diego; 1/4 mile from the end of the canyon running from Eastgate Mall (starting 1/8 mile E of the intersection of Eastgate and Genesee Ave) to the end of Roselle St.
32
Comment
SEINET3245876 Xanthium strumarium
G. K. Helmkamp, E. A. Helmkamp
2009-1
15541
Sacramento
Northern Sacramento Valley: along Latrobe, 3.2 miles west of the El Dorado County line, 1 mi. due north of Rancho Murieta.
73
Comment
SEINET3831687 Xanthium strumarium
Jon P. Rebman, W. Schmidtmann, G. Kenney
2012-1
25302
San Diego
Camp Pendleton; Training Area Hotel; in the extreme eastern part of the Base; northwest of Fallbrook and just north of De Luz Road; along the Santa Margarita River just north of the De Luz Road Bridge
85
Comment
SEINET7990991 Xanthium strumarium
Jon P. Rebman
1999-9-10
5989
San Diego
San Diego city, N Park area of the city of San Diego
140
Comment
SEINET7990993 Xanthium strumarium
Jon P. Rebman
2000-2-11
6177
San Diego
Cedar Ridge Park Canyons, N Park / Golden Hill: Cedar Ridge area, Canyon
150
Comment
SFV7095 Xanthium strumarium
K. A. Wilson
1974-8-21
1446
Los Angeles
Santa Monica Mountains Malibu Creek. Kanan Road and Triunfo Canyon Road intersection.
245
Comment
UC1070511 Xanthium strumarium
A. Simontacchi
1937-7-16
303
Lake
0.6 mi wnw Laurel Beach; Lakeport Quad.
405
Comment
UC1070512 Xanthium strumarium
H. S. Yates
1936-7-26
5944
Alameda
2 mi w San Leandro; Hayward Quad.
3
Comment
UC1070513 Xanthium strumarium
B. Schreiber
1936-8-16
2330
Lake
1 mi e Lower Lake; Lower Lake Quad.
457
Comment
UC1070518 Xanthium strumarium
Jerome S. Horton
1937-9-21
494
Los Angeles
Dalton Canyon Dam Pomona Quad.
457
Comment
UC1176880 Xanthium strumarium
John Thomas Howell
1946-9-8
Marin
near Ignacio
Comment
UC1189989 Xanthium strumarium
J. H. Thomas
1954-7-9
4356
Santa Clara
about 1 mi s Gilroy (at the intersection of Thomas Road and Camadero Creek); Carnadero Creek
60
Comment
UC1192253 Xanthium strumarium
Malcolm A. Nobs, S. Galen Smith
1949-9-3
1823
Inyo
on Highway 395 3 mi n Lone Pine
Comment
UC128022 Xanthium strumarium
Harriet A. Walker
1907-9-22
973
Solano
Suisun
Comment
UC1294173 Xanthium strumarium
E. K. Balls and E. R. Blakley
1958-10-12
23661
Santa Barbara
2 mi e Main Ranch (along road to China Harbor); Santa Cruz Island
213
Comment
UC131218 Xanthium strumarium
C. F. Baker
1902-8-30
1512
Santa Clara
Palo Alto
Comment
UC131236 Xanthium strumarium
C. F. M.
1903-10-15
1760
Santa Clara
foothills near Stanford Univ.; ; near Stanford Univ.
Comment
UC131246 Xanthium strumarium
T. S. Brandegee
1901-3-28
Imperial
Cameron Lake Colorado Desert, Cameron Lake
Comment
UC1329960 Xanthium strumarium
James E. Cole
1941-11-2
936
Riverside
Smith Water Canyon Joshua Tree National Monument
Comment
UC1350051 Xanthium strumarium
Miss Harriet A. Walker
1906-9-30
478
Alameda
vicinity West Berkeley; Berkeley
Comment
UC1354221 Xanthium strumarium
P. M. Ray
1962-9-2
Contra Costa
San Ramon, on Hwy. 21
Comment
UC1445364 Xanthium strumarium
Mary DeDecker
1978-9-23
4808
Inyo
n of (Owens Valley) Lone Pine (Owens River e of Alabama Gates); Owens Valley, Owens River
1115
Comment
UC149139 Xanthium strumarium
L. R. Abrams
1903-9-27
4023
Monterey
Neponset Salinas River
Comment
UC1548582 Xanthium strumarium
D. A. Roberts
1983-7-23
FS 93
Mono
ne end Fish Slough (n end of Owen Valley); , Rocked-in-Spring
Comment
UC164145 Xanthium strumarium
Geo. D. Butler
1908-9-5
527
Siskiyou
near Yreka
Comment
UC168741 Xanthium strumarium
Katharine Brandegee
Oct 1905
San Diego
near Ramona (Stockton Ranch)
Comment
UC168813 Xanthium strumarium
Katharine Brandegee
Oct 1905
San Diego
near Ramona (Stockton Ranch)
Comment
UC168816 Xanthium strumarium
Katharine Brandegee
Oct 1905
San Diego
near Ramona (Stockton Ranch); Stockton Ranch
Comment
UC179073 Xanthium strumarium
A. A. Heller
1914-7-31
11629
Butte
6 mi from Chico (Chico-Hamilton road)
Comment
UC1922448 Xanthium strumarium
Naomi Fraga, Daniel Brock
2004-10-31
1339
Kern
Sierra Nevada; Southern Sierra Nevada region: THE OWENS PEAK EASTERN WATERSHED. Indian Wells Canyon.
Comment
UC195297 Xanthium strumarium
S. B. Parish
1913-10-13
8715
San Diego
near Cottonwood Station [now Barrett Junction]; Potrero Grade
304
Comment
UC198772 Xanthium strumarium
Katharine Brandegee
Oct 1905
San Diego
near Ramona (Stockton Ranch)
Comment
UC201224 Xanthium strumarium
Harriet A. Walker
1907-9-8
926
San Joaquin
Lathrop
Comment
UC201532 Xanthium strumarium
S. B. Parish
1907-8-20
6426
San Bernardino
San Bernardino Valley
300
Comment
UC2044999 Xanthium strumarium
Nick Jensen with Tommy Stoughton, Evan Myer, Manuel Lujan
2013-9-13
603
Kern
Tejon Ranch. Lower Pescado Creek about 1.25 road km to the north of the junction with Contour Road.
Comment
UC2045087 Xanthium strumarium
Nick Jensen with Neal Kramer
2014-9-7
2474
Kern
Tejon Ranch. Tejon Hills, Comanche Point. In and immediately around Comanche Spring.
Comment
UC36800 Xanthium strumarium
J. A. Sanford
1890-1
185
San Joaquin
West Stockton
Comment
UC36801 Xanthium strumarium
J. Burtt Davy
1896-9-17
Alameda
Alameda Marshes, nw Alameda County Alameda Marshes
Comment
UC36813 Xanthium strumarium
Michener and Bioletti
Aug 1891
Sacramento
Sacramento
Comment
UC36814 Xanthium strumarium
J. A. Sanford
1890-1
8
San Joaquin
Comment
UC450817 Xanthium strumarium
F. A. MacF.
May 1931
2945
San Diego
Lake Hodges
Comment
UC455701 Xanthium strumarium
I. J. Condit
1908-11-9
San Luis Obispo
San Luis Obispo
Comment
UC494418 Xanthium strumarium
Philip A. Munz
1932-8-31
12811
Los Angeles
Playa del Rey
Comment
UC535716 Xanthium strumarium
Eleanor Armstrong
1934-8-2
1135
Humboldt
Richardson Grove
121
Comment
UC54945 Xanthium strumarium
H. P. Chandler
1902-9-9
2017
Los Angeles
roadside near Ballona Lagoon
Comment
UC582822 Xanthium strumarium
Philip A. Munz
1935-10-21
14656
San Bernardino
Rincon
Comment
UC614953 Xanthium strumarium
Beryl O. Schreiber
1936-8-16
2330
Lake
1 mi e Lower Lake
457
Comment
UC64835 Xanthium strumarium
Harley P. Chandler
1904-7-5
5399
San Diego
Escondido
243
Comment
UC673077 Xanthium strumarium
Joseph P. Tracy
1940-10-5
16747
Humboldt
Trinidad
3
Comment
UC673078 Xanthium strumarium
Joseph P. Tracy
1940-10-5
16747
Humboldt
Trinidad
3
Comment
UC676846 Xanthium strumarium
Ira L. Wiggins
1927-8-29
2598
San Diego
along Hatfield Creek 4 mi e Ramona (on highway to Santa Ysabel); Hatfield Creek
Comment
UC676847 Xanthium strumarium
Ira L. Wiggins
1927-8-31
2701
San Diego
near Cuyamaca Lake (near Fox farm above Boulder Creek)
Comment
UC691363 Xanthium strumarium
Mary L. Bowerman
1935-9-13
3333
Contra Costa
outer margin Chase Pond (Mount Diablo); , Chase Pond
548
Comment
UC691366 Xanthium strumarium
Mary L. Bowerman
1930-9-27
467
Contra Costa
ca 2 mi from entrance (= North Road) Mount Diablo w road; Mount Diablo
Comment
UC691368 Xanthium strumarium
Mary L. Bowerman
1936-9-9
3540
Contra Costa
just below Blackhawk Ranch; Mount Diablo, Sycamore Canyon
Comment
UC729855 Xanthium strumarium
Carl B. Wolf
1932-7-7
Orange
100 ft w Hansen Road (Bixby Ave, Bryant Ranch); ; 100 ft w of se corner of ne 40 of ne 160 of Sect. 34 T4S R11W
Comment
UC74043 Xanthium strumarium
Dr. J. Q. Adams
Sep 1905
Los Angeles
near Soldier's Home
Comment
UC832923 Xanthium strumarium
A. A. Heller
1916-9-5
12647
Butte
8 mi n Oroville
Comment
UC832925 Xanthium strumarium
Mrs. W. J. Williamson
1919-7-28
331
Tuolumne
Morman Creek
213
Comment
UC891369 Xanthium strumarium
Mary L. Bowerman
1936-9-9
3540
Contra Costa
just below Blackhawk Ranch; Mount Diablo, Sycamore Canyon
Comment
UC89860 Xanthium strumarium
D. Cleveland
1885-5-28
San Diego
Chollas Valley
Comment
UC909711 Xanthium strumarium
Milo S. Baker
Aug 1950
Lake
about 1.5 mi w Lower Lake (near highway)
Comment
UCD137117 Xanthium strumarium
G. K. Helmkamp; E. A. Helmkamp
2006-10-10
11518
Nevada
Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City.
750
Comment
UCD137119 Xanthium strumarium
G. K. Helmkamp; E. A. Helmkamp
2007-9-1
12861
El Dorado
Northern Sierra Nevada Mountains. Happy Valley Road, 3.2 miles E of its junction with CA-E-16 (just W of Sweeney's Crossing).
627
Comment
UCD137123 Xanthium strumarium
K. M. Meyer; A. Townesmith
2007-9-24
250
Santa Clara
Henry W. Coe State Park, SW corner of park, Hunting Hollow entrance and parking area. California Bay.
253
Comment
UCD137132 Xanthium strumarium
M. Wiesendanger
1927-10-1
s.n.
Yolo
Campus.
Comment
UCD137150 Xanthium strumarium
P. B. Kennedy
1920-6-23
s.n.
Yolo
Holland Land Co. Sacramento River - Clarksburg.
Comment
UCD137152 Xanthium strumarium
Malcolm A. Nobs; S. Galen Smith
1949-9-3
1823
Inyo
3 miles north of Lone Pine.
Comment
UCD137154 Xanthium strumarium
Henry M. Pollard
1957-10-17
s.n.
Santa Barbara
Southern Pacific Railroad, Summerland.
Comment
UCD137155 Xanthium strumarium
Ernest C. Twisselmann
1961-10-30
6647
Kern
Fremont Valley. 2.5 miles S of Cantil.
594
Comment
UCD137159 Xanthium strumarium
Henry M. Pollard
1957-10-17
s.n.
Santa Barbara
Southern Pacific Railroad, Summerland.
Comment
UCD137160 Xanthium strumarium
John Thomas Howell
1955-7-9
5229
Santa Clara
Lake Lagunita, Stanford University.
30
Comment
UCD137161 Xanthium strumarium
Beecher Crampton
1961-9-26
5989
Solano
Suisun.
Comment
UCD137164 Xanthium strumarium
G. F. Hrusa
1992-8-26
9540
San Joaquin
Caswell Memorial State Park.
Comment
UCD137166 Xanthium strumarium
Ernest C. Twisselmann
1965-7-29
11373
Kern
Kern River at the upper town limits of Kernville.
815
Comment
UCD137167 Xanthium strumarium
Ernest C. Twisselmann
1964-9-29
10257
Kern
Canal along the east side of the Refuge.
76
Comment
UCD159469 Xanthium strumarium
D. S. Park
2010-8-13
223
Napa
Along Berryessa Knoxville Rd. In dried up creek bed.
229
Comment
UCD161201 Xanthium strumarium
Jean Shepard
2014-6-29
887
Yolo
City of Davis. ENE Wildhorse Golf Course. From intersection of Covell Blvd. and Monarch Ln., about 0.1 mi E and about 0.1 mi N.
Comment
UCD161322 Xanthium strumarium
Jake Ruygt
1979-7-21
767
Napa
1.9 miles west of Madronna St. on Spring Mountain Rd. (Coordinates estimated by label maker at UC Davis).
192
Comment
UCD20761 Xanthium strumarium
M. Bibbo; with E. Dean and K. Mawdsley
2002-8-29
111
Napa
McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground.
640
Comment
UCD38927 Xanthium strumarium
Beecher Crampton
1961-10-25
6052
Yolo
2 miles west of Bryte, County Road 127, confluence of the Sacramento and Yolo Bypass.
Comment
UCD41054 Xanthium strumarium
Carol W. Witham
2003-8-8
985
Yolo
DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105.
4
Comment
UCD50010 Xanthium strumarium
M. Tu
1998-8-25
120
Sacramento
Cosumnes River Preserve Plant Inventory - Tall Forest West. Collected from W side of small dirt road approximately 50 m N of the pump station. This road runs adjacent to the W side of the Tall Forest, along Wood Duck Slough.
1
Comment
UCD50030 Xanthium strumarium
M. Tu
1998-8-25
120
Sacramento
Cosumnes River Preserve Plant Inventory - Tall Forest West. Collected from W side of small dirt road approximately 50 m N of the pump station. This road runs adjacent to the W side of the Tall Forest, along Wood Duck Slough.
1
Comment
UCD54522 Xanthium strumarium
Rachel A. Hutchinson
2006-6-8
29
Sacramento
Cosumnes River Preserve. North Moyer Slough Parcel.
1
Comment
UCD81463 Xanthium strumarium
M. Wiesendanger
1927-10-1
814
Yolo
Davis. University Farm.
Comment
UCR113862 Xanthium strumarium
Mitch Provance
2000-6-24
2057
Riverside
Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy
244
Comment
UCR120136 Xanthium strumarium
Jon P. Rebman, Annette Winner, Oscar Solis
1999-9-10
5989
San Diego
South Coast, North Park area of the city of San Diego, canyon just south of Juniper Street between 33rd Street and Commonwealth Ave.
140
Comment
UCR122235 Xanthium strumarium
A. C. Sanders, J. R. Ekhoff
2001-9-7
24865
San Diego
Peninsular Range, Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; along road in upper DFG parcel
396
Comment
UCR124031 Xanthium strumarium
A. C. Sanders, Mark A. Elvin
2002-8-28
25599
Los Angeles
NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park
360
Comment
UCR131932 Xanthium strumarium
George K. Helmkamp
2003-8-18
8093
San Luis Obispo
Central Coast, S of Arroyo Grande; along Mesa View Dr., 0.4 mi south of the junction of Cienaga and Valley View Rd.
30
Comment
UCR134450 Xanthium strumarium
George K. Helmkamp
2003-9-26
8186
San Luis Obispo
Central Coast, SW edge of Oceano; border of sand dune recreation area
6
Comment
UCR138776 Xanthium strumarium
Scott D. White
1996-9-11
4507
San Bernardino
Cajon Pass, Cajon Wash and adjacent foothill slopes: +- 2-3 road mi south of Hwy 138 crossing
884
Comment
UCR145915 Xanthium strumarium
Jon P. Rebman, Jeannie Gregory
2003-7-25
9432
San Diego
Peninsular Range, Rancho Jamul Ecological Reserve: west of Hwy. 94, south of Jamul & north of Otay Lakes Road; pond east of Jamul Creek and old cement kiln
225
Comment
UCR146204 Xanthium strumarium
Scott D. White, Angelia Carey
2004-9-16
10766
Riverside
San Jacinto Mountain foothills, San Jacinto River wash and adjacent alluvial benches; near Indian Creek confluence
534
Comment
UCR148690 Xanthium strumarium
Jon P. Rebman, Oscar Solis, Karen Rich, Robert K. Lauri
2000-2-11
6177
San Diego
South Coast, San Diego Urban Canyons, N Park/Golden Hill: Cedar Ridge area, canyons
150
Comment
UCR151595 Xanthium strumarium
Beecher Crampton
1961-9-19
5976
Yolo
Vaca Mountains, 6 mi west of Winters, along State Hwy 128, Putah Creek Canyon
Comment
UCR154332 Xanthium strumarium
Mark A. Elvin, H. Spillman et al.
2005-4-2
4131
San Diego
Peninsular Ranges, San Ysidro Mountains, E side of Otay Mountain; Marron Creek along Marron Valley Road; 2.1 km (air) N of MX; near gate to City of San Diego Preserve
274
Comment
UCR154801 Xanthium strumarium
A. C. Sanders
2005-5-27
30322
San Diego
South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center
30
Comment
UCR159060 Xanthium strumarium
A. C. Sanders
2005-6-24
31197
San Diego
South Coast, San Dieguito Lagoon Ecological Reserve (DFG), north edge of reserve along Palm Lane (closed/abandoned) east of San Dieguito Dr. near old airport site
2
Comment
UCR159208 Xanthium strumarium
A. C. Sanders, Kelly Volansky
2005-8-31
31587
Riverside
Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd.
701
Comment
UCR159290 Xanthium strumarium
A. C. Sanders, Jennifer Jones
2005-6-22
31169
San Diego
South Coast, Buena Vista Lagoon Ecological Reserve (DFG), Carlsbad, north side of lagoon between Carlsbad Blvd. (S-21) and the RR, south of Eaton St.
6
Comment
UCR161411 Xanthium strumarium
A. C. Sanders, T. B. Salvato
2005-9-9
31618
San Diego
South Coast, Batiquitos Lagoon Ecological Reserve, Leucadia, SW side near I-5 and La Costa Ave.
6
Comment
UCR161859 Xanthium strumarium
A. C. Sanders, T. B. Salvato
2005-10-7
31763
San Diego
South Coast, Agua Hedionda Lagoon Ecological Reserve, SE of the lagoon near Cannon Rd. and west of El Camino Real, SSE of Laguna Riviera Park but south of Agua Hedionda Creek
6
Comment
UCR162808 Xanthium strumarium
A. C. Sanders, T. B. Salvato
2005-10-12
31840
San Diego
South Coast, Carlsbad, Carlsbad Highlands Ecological Reserve, spring in canyon c. 0.8 mile south of Cerro de la Calavera
30
Comment
UCR167684 Xanthium strumarium
T. B. Salvato, Melissa Clemons
2005-6-23
1297
Riverside
Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15
412
Comment
UCR170481 Xanthium strumarium
George K. Helmkamp, Elizabeth Helmkamp
2005-9-1
9821
El Dorado
Northern Sierra Nevada Foothills, E of Sacramento; Sand Canyon Road, 0.3 mi east of Calif. Highway 49 and Logtown Ridge
280
Comment
UCR171642 Xanthium strumarium
Margaret R. Mulligan, Joe Barth
2005-8-11
1354
San Diego
Sycuan Peak Ecological Reserve (California Dept of Fish & Game). SE of Dehesa, 1 mi SW of Loveland Reservoir, 1.25 mi N of Sycuan Peak, in the Sweetwater River Watershed, at the E end of Sloan Ranch Truck Trail. San Diego Atlas Square R16
248
Comment
UCR171747 Xanthium strumarium
Margaret R. Mulligan, Joe Barth
2005-8-9
1346
San Diego
Walker Canyon Ecological Reserve (California Fish & Game): between the towns of Boulevard and Jacumba on the north side of Interstate 8. Western half of riparian zone. San Diego Atlas Square T27
938
Comment
UCR171767 Xanthium strumarium
Margaret R. Mulligan, Joe Barth
2005-8-1
1294
San Diego
McGinty Mountain Ecological Reserve (Calif Fish & Game). SE of city of El Cajon. SE of intersection of Willow Glen Dr and Hillsdale Rd, in bed of Sweetwater River. San Diego Atlas Square R14
119
Comment
UCR178927 Xanthium strumarium
R. G. Swinney
1989-9-16
s.n.
Los Angeles
San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin
335
Comment
UCR179330 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11518
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
UCR189758 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2007-9-1
12861
El Dorado
Foothills, northern Sierra Nevada Mountains, Happy Valley Road 3.2 miles east of its junction with CA-E-16 (just west of Sweeney's Crossing)
628
Comment
UCR193043 Xanthium strumarium
A. C. Sanders, Fred M. Roberts
2008-6-17
35483
Orange
Peninsular Range; Santa Ana Mtns., Lomas de Santiago, East Loma Ridge Spur Road c. 600 m NW of Hicks Cyn. Haul Rd.
408
Comment
UCR19497 Xanthium strumarium
John C. Roos
1965-9-13
s.n.
San Bernardino
Mojave Desert, Victorville, Mojave River bottom
762
Comment
UCR194972 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2007-10-28
13109
Placer
Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln
27
Comment
UCR198245 Xanthium strumarium
Dean Kelch
2007-5-18
07 .325
Yolo
Yolo Causeway, 0.4 mi east of Levee Road/RR Crossing
4
Comment
UCR201543 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2008-9-28
14169
Amador
Foothills, northern Sierra Nevada Mountains, Sutter Creek Rancho Road on the north side of CA-88 and 4.2 miles southwest of the junction of CA-88 and CA-49
287
Comment
UCR202023 Xanthium strumarium
Denise Woodard, G. Nuhn
1995-8-21
s.n.
Riverside
Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd.
470
Comment
UCR202784 Xanthium strumarium
Melvin M. Sweet
2007-7-31
444
San Diego
City of San Diego; 1/4 mi from the end of the canyon running from Eastgate Mall (starting 1/8 mi east of the intersection of Eastgate and Genesee Ave) to the end of Roselle St., c. 2/3 mi. along the utility road. Square O8, San Diego Co. Plant Atlas.
32
Comment
UCR209317 Xanthium strumarium
A. C. Sanders
2009-11-6
37223
Los Angeles
South Coast, Madrona Marsh, Torrance
24
Comment
UCR210365 Xanthium strumarium
T. B. Salvato, Billy Deane
2006-10-16
1925
Orange
South Coast, Irvine, San Diego Creek flood control channel, between Michelson Drive and the 405 FWY
12
Comment
UCR210460 Xanthium strumarium
R. G. Swinney
2008-11-30
9874
Los Angeles
San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon
204
Comment
UCR217339 Xanthium strumarium
David Charlton
2009-9-7
s.n.
Los Angeles
Western Mojave Desert, Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW corner of area
698
Comment
UCR219065 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2009-8-28
15541
Sacramento
Northern Sacramento Valley, along Latrobe Road, 3.2 miles west of the El Dorado County line, 1 mi. due north of Rancho Murieta
73
Comment
UCR219094 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15578
Butte
Sacramento Valley, Lower Honcut Road, 1.2 miles east of its junction with CA-70, 1.85 mi. WSW (258 deg. ) of Honcut, 7.2 mi. SE (114 deg. ) of Gridley
35
Comment
UCR219643 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2009-10-23
15710
El Dorado
Sierra Nevada Mountains Foothills, Diamond Springs, unnamed dirt road 0.1 mile southeast of the Patterson Lake dam
520
Comment
UCR22019 Xanthium strumarium
Steve Boyd
1980-9-12
349
Riverside
Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau.
Comment
UCR236934 Xanthium strumarium
Jon P. Rebman, Warren Schmidtmann & volunteers
2010-11-16
20459
San Diego
Camp Pendleton; Golf Training Area; west of the Santa Margarita River, along De Luz Creek, north of Camp De Luz. Square C6
65
Comment
UCR239920 Xanthium strumarium
O. F. Clarke
2004-3-14
s.n.
Riverside
San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge
215
Comment
UCR240727 Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2012-10-5
19965
Amador
Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane
421
Comment
UCR24155 Xanthium strumarium
John C. Roos
1938-8-19
2754
San Bernardino
San Bernardino Valley, Loma Linda
305
Comment
UCR243176 Xanthium strumarium
Robert Hamilton
2013-8-9
s.n.
San Bernardino
Santa Ana River Valley, Ontario, detention basin SW of intersection of Archibald Ave. and Chino Ave., just north of Schaefer Ave.
224
Comment
UCR255085 Xanthium strumarium
Joe Barth
2011-10-25
1882
San Diego
Peninsular Range, E side of Lake Murray; tip of Baltimore Dr. finger of the lake; Atlas square Q11
163
Comment
UCR255471 Xanthium strumarium
Dan S. Cooper
2014-6-26
614- 32
Los Angeles
Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, north end of Fern Dell picnic area near Western Canyon Rd.
205
Comment
UCR257638 Xanthium strumarium
George K. Helmkamp, Elizabeth Helmkamp
2012-10-13
20018
Placer
Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd.
146
Comment
UCR258720 Xanthium strumarium
R. G. Swinney
2010-6-23
13340
Los Angeles
San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace
335
Comment
UCR259551 Xanthium strumarium
R. G. Swinney
2010-9-1
13671
Los Angeles
San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St.
338
Comment
UCR276206 Xanthium strumarium
Jim Andre
2012-10-13
23560
Inyo
Northern Mojave Desert, Hwy 127 at junction of Hwy 178, just north of Shoshone
507
Comment
UCR277143 Xanthium strumarium
R. G. Swinney
2010-10-5
13962
Los Angeles
San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center
463
Comment
UCR34363 Xanthium strumarium
A. C. Sanders, N. M. Fellows
1983-10-12
4018
San Bernardino
Mojave Desert/ Little San Bernardino Mtns., Big Morongo Preserve of the Nature Conservancy in Big Morongo Canyon, south of town of Morongo Valley
795
Comment
UCR45135 Xanthium strumarium
L. F. LaPre, B. Pitzer
1986-9-16
s.n.
Riverside
San Jacinto Wildlife Area, on levee beside the San Jacinto River, c. 1 mi east of Bridge St
436
Comment
UCR45316 Xanthium strumarium
A. C. Sanders
1986-9-12
6934
Stanislaus
San Joaquin Valley, 4.5 mi. SSW of Patterson, W end Crow's Landing Rd., c. 1 mi. west of Hwy I-5
92
Comment
UCR46572 Xanthium strumarium
B. G. Pitzer, D. C. Hawks
1986-10-21
0353
Orange
Peninsular Range; Santa Ana Mtns. Foothills, Lomas de Santiago, c. 10 mi east of Santa Ana, in hills N and east of South Coast Gun Club on Jeffrey Road in Hicks Canyon
183
Comment
UCR72714 Xanthium strumarium
A. C. Sanders
1992-8-23
12471
San Bernardino
San Bernardino Mtns., Oak Glen, Riley's Farm on E side of Oak Glen Road c. 2 mi above Wildwood Canyon Road
1372
Comment
UCR87208 Xanthium strumarium
R. G. Swinney
1992-6-26
1729
San Bernardino
San Gabriel Mtns., Cajon Wash, west of Devore Heights off ramp from I-215 and of Old Hwy 395, in wash bottom
677
Comment
UCR88975 Xanthium strumarium
K. H. Berry
1995-8-26
s.n.
Kern
Mojave Desert,, Desert Tortoise Research Natural Area, south of Koehn Dry Lake. NNE of California City
600
Comment
UCR92285 Xanthium strumarium
Scott D. White
1995-8-23
3577
Riverside
San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street
463
Comment
UCR94804 Xanthium strumarium
A. C. Sanders
1996-10-2
19599
San Bernardino
San Bernardino Valley, Yucaipa, between Av. 'E' & 'F', east from Wilson Creek channel to top of slope
655
Comment
UCR95493 Xanthium strumarium
L. C. Wheeler
1966-9-21
8887
Los Angeles
San Gabriel Mtns., San Gabriel Canyon, east fork at Burro Canyon
457
Comment
UCR95724 Xanthium strumarium
Lauren Raz, Steve Boyd
1996-10-23
001
Los Angeles
Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road
610
Comment
UCSB29362 Xanthium strumarium
Boyce, Carol
1970-9-18
Santa Barbara
Dunes NW of channel, Coal Oil Point Reserve, 2 miles west of Goleta Point on West Campus of UCSB
Comment
UCSB31808 Xanthium strumarium
Ferren, Wayne; Whitmore, S.
1978-8-23
Santa Barbara
Below East Bluffs of UCSB Main Campus, Goleta
1
Comment
UCSB40144 Xanthium strumarium
Steele, Kelly
1981-9-2
Santa Barbara
More Mesa; along the Pacific Ocean, south of Atascadero Creek, adjacent to and west of Hope Ranch Park, ca. 3 km. southeast of Goleta; just south of road parallel to Atascadero Creek (Area 3a)
40
Comment
UCSB42467 Xanthium strumarium
Pierce, Lars
1982-6-8
Santa Barbara
Next to fence 15 m. east of Los Carneros Rd. and 100 m. south of approach lights, western Goleta Slough
2
Comment
UCSB52428 Xanthium strumarium
Roberts, Jr., Fred
1982-9-15
Orange
Dana Point; hills, 1.0 km. N Dana Hills High School; 1.9 km. NE Bench Mark 150
90
Comment
UCSB53297 Xanthium strumarium
Roberts, Dar
1983-7-23
Mono
Fish Slough; a desert wetland system 4.5 mi. north of Bishop at the northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis; Rocked-in-Spring, NE end of slough
1341
Comment
UCSB53631 Xanthium strumarium
Reisentz, Paul
1979-5-19
Ventura
Mirror Lake, 1/2 mile south of intersection of Hwy. 150 and Hwy. 33, 3 miles SW of Ojai, 12 miles N of Ventura
190
Comment
UCSB56415 Xanthium strumarium
Pritchett, David
1986-7-10
Santa Barbara
Near Calle Real at SE portion of park, Lake Los Carneros County Park
15
Comment
UCSB64200 Xanthium strumarium
Magney, David
1987-11-15
Ventura
South Coast; Ventura Quad.; T2N, R23W; San Bernardino BM; found above Main Street
6
Comment
UCSB65243 Xanthium strumarium
Magney, David; Wellonen, Cher
2001-4-5
Santa Barbara
Outer South Coast Ranges; Orcutt Quad, T9N, R35W, Punta De La Laguna, San Bernardino BM; between Solomon & Black Rds(~280-ac site); N of SR1, S of Santa Maria Airport; W of Orcutt, Plot/Trench#13/Stop#15 ~5000 ft WNW of Solomon Rd bridge & ~940 ft NNE SR1
54
Comment
UCSB7382 Xanthium strumarium
Ballard
1954-10-30
Riverside
3 miles south of Men's Reform School, (Chino Institute), Chino
198
Comment
UCSB7383 Xanthium strumarium
Philbrick, Ralph
1954-10-24
Riverside
4 miles south of Chino Institute
Comment
BLMAR415 Xanthium strumarium
Jennifer Wheeler
2007-8-22
415
Humboldt
South Spit, East side of road, near ecotone between atriplex and dune swale
Comment
CAS-BOT-BC136276 Xanthium strumarium
S. F. Blake
1934-6-27
11773
Tuolumne
Yosemite Junction
355
Comment
CAS-BOT-BC136277 Xanthium strumarium
Eugene Carter
1974-9-2
899
Trinity
Trinity River one mile east of the North Fork.
432
Comment
CAS-BOT-BC136305 Xanthium strumarium
Ernest C. Twisselmann
1970-10-9
17521
Fresno
Wathan Creek at the Parkfield Road.
594
Comment
CAS-BOT-BC136306 Xanthium strumarium
Ernest C. Twisselmann
1970-10-9
17521
Fresno
Wathan Creek at the Parkfield Road.
594
Comment
CAS-BOT-BC136307 Xanthium strumarium
J. H. Thomas
1960-8-30
8858
Glenn
About 3 miles north of Glann.
Comment
CAS-BOT-BC136309 Xanthium strumarium
J. W. Blankinship
1928-8-12
s.n.
Lake
Kelseyville
Comment
CAS-BOT-BC136315 Xanthium strumarium
George Oberlander
1949-7-24
268
San Mateo
Marsh about Upper Crystal Spr. [Spring] Lake
Comment
CAS-BOT-BC136316 Xanthium strumarium
L. R. Abrams
1903-9-27
4023
Monterey
Salinas River, Nefonset [Neponset]
Comment
CAS-BOT-BC136322 Xanthium strumarium
Brandegee
unspecified
s.n.
Unknown
unspecified
Comment
CAS-BOT-BC136324 Xanthium strumarium
Henry M. Pollard
1956-10-7
s.n.
Siskiyou
Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar.
Comment
CAS-BOT-BC136325 Xanthium strumarium
S. F. Blake
1934-6-27
11773
Tuolumne
Yosemite Junction
355
Comment
CAS-BOT-BC382121 Xanthium strumarium
John Thomas Howell
1893-7-1
30051 A
Amador
3 miles from Pine Grove on road to Jackson
Comment
CAS-BOT-BC382123 Xanthium strumarium
Doris K. Kildale
1926-8-8
2467
Humboldt
mouth of Bull Creek
Comment
CAS-BOT-BC382125 Xanthium strumarium
Philip A. Munz
1949-10-9
14367
Inyo
Tecopa, Mojave Desert
426
Comment
CAS-BOT-BC383678 Xanthium strumarium
John Thomas Howell
1959-9-20
34690
Butte
5 miles ne. of Oroville on Feather River Highway
Comment
CAS-BOT-BC383679 Xanthium strumarium
A. A. Heller
1926-9-10
14334
Butte
Near the Sacramento River on the Chico-Orland highway
Comment
CAS-BOT-BC383680 Xanthium strumarium
A. A. Heller
1926-9-10
14334
Butte
Near the Sacramento River on the Chico-Orland highway
Comment
CAS-BOT-BC383681 Xanthium strumarium
A. A. Heller
1914-7-31
11629
Butte
Chico-Hamilton road, Sacramento Valley about 6 miles northwest of and from Chico
Comment
CAS-BOT-BC383683 Xanthium strumarium
Walter Knight; Frank Almeda; Joanne Dean; Bob Doyle
1978-10-11
s.n.
Contra Costa
Browns Island. South Landing
Comment
CAS-BOT-BC383684 Xanthium strumarium
Walter Knight
1965-9-7
1170
Contra Costa
Antioch sand dunes
Comment
CAS-BOT-BC383686 Xanthium strumarium
D. E. Breedlove
1969-10-18
16705
Contra Costa
On Deer Hill Road near the junction with Happy Valley Road, Lafayette
Comment
CAS-BOT-BC383687 Xanthium strumarium
Frank W. Gould
1939-2-2
561
Contra Costa
Near Martinez
Comment
CAS-BOT-BC383688 Xanthium strumarium
Ernest C. Twisselmann
1961-10-30
6647
Kern
Mohave-Randsburg Region. Fremont Valley: dry wash in the farmlands 2.5 miles south of Cantil
594
Comment
CAS-BOT-BC383689 Xanthium strumarium
Ernest C. Twisselmann
1961-10-30
6647
Kern
Mohave-Randsburg Region. Fremont Valley: dry wash in the farmlands 2.5 miles south of Cantil
594
Comment
CAS-BOT-BC383690 Xanthium strumarium
Ernest C. Twisselmann
1954-7-20
1469
Kern
Temblor Range and the Western San Joaquin Valley. Buena Vista Slough: 6 miles southeast of Lost Hills
77
Comment
CAS-BOT-BC383691 Xanthium strumarium
Ernest C. Twisselmann
1954-7-20
1469
Kern
Temblor Range and the Western San Joaquin Valley. Buena Vista Slough: 6 miles southeast of Lost Hills. (Celay Pool)
77
Comment
CAS-BOT-BC383692 Xanthium strumarium
Ernest C. Twisselmann
1964-9-29
10257
Kern
San Joaquin Valley, Kern National Wildlife Refuge. Canal along the east side of the Refuge
76
Comment
CAS-BOT-BC383693 Xanthium strumarium
Ernest C. Twisselmann
1964-9-29
10257
Kern
San Joaquin Valley, Kern National Wildlife Refuge. Canal along the east side of the Refuge
76
Comment
CAS-BOT-BC383694 Xanthium strumarium
Ernest C. Twisselmann
1967-9-19
13739
Kern
Mojave Desert, Mojave-Randsburg Region. Horse Canyon Well on the west side of Indian Wells Valley
1143
Comment
CAS-BOT-BC383696 Xanthium strumarium
Paul Leskinen
1972-8-20
1323
Kern
NE of Lake Isabella. Southern Sierra Nevada
792
Comment
CAS-BOT-BC383697 Xanthium strumarium
John Thomas Howell
1962-9-21
38672
Kern
Entrance to Kern River Canyon
213
Comment
CAS-BOT-BC383699 Xanthium strumarium
John Thomas Howell
1970-11-8
47518
Kern
Lake Isabella. 4 miles from South Fork Kern River bridge on road from Weldon to Kernville
792
Comment
CAS-BOT-BC383700 Xanthium strumarium
John Thomas Howell
1970-9-25
47473
Kern
Strand-bed of Lake Isabella (east side of north arm), about 5 miles south of Kernville
792
Comment
CAS-BOT-BC383701 Xanthium strumarium
John Thomas Howell
1970-9-25
47473
Kern
Strand-bed of Lake Isabella (east side of north arm), about 5 miles south of Kernville
792
Comment
CAS-BOT-BC383702 Xanthium strumarium
Ernest C. Twisselmann
1965-7-29
11373
Kern
Kern River at the upper town limits of Kernville
815
Comment
CAS-BOT-BC383703 Xanthium strumarium
Noraine Meng
1966-10-30
353
Kern
Camp Area 9, east side of the north fork of Lake Isabella
731
Comment
CAS-BOT-BC383709 Xanthium strumarium
Peter H. Raven; Henry J. Thompson
1959-9-6
14399
Los Angeles
Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Along Malibu Creek near its mouth
12
Comment
CAS-BOT-BC383710 Xanthium strumarium
Cecil Hart
1922-10-6
s.n.
Los Angeles
Howard & Smith's nursery, Los Angeles
Comment
CAS-BOT-BC383712 Xanthium strumarium
John Thomas Howell
1958-8-17
34592
Madera
Coarse Gold
Comment
CAS-BOT-BC383714 Xanthium strumarium
C. E. Wells
1958-10-1
s.n.
Madera
Sierra Nevada. Coarse Gold
Comment
CAS-BOT-BC383715 Xanthium strumarium
Catherine Best
1980-11-16
s.n.
Marin
Along Tiburon Blvd. west of the marsh
Comment
CAS-BOT-BC383716 Xanthium strumarium
Phyllis Ellman
1973-10-3
s.n.
Marin
Old St. Hilary's Preserve, Tiburon
Comment
CAS-BOT-BC383717 Xanthium strumarium
John Thomas Howell
1943-9-19
19330
Marin
Kentfield
Comment
CAS-BOT-BC383718 Xanthium strumarium
John Thomas Howell
1945-9-2
21450
Marin
San Rafael
Comment
CAS-BOT-BC383719 Xanthium strumarium
John Thomas Howell
1947-10-19
24190
Marin
Strand of Alpine Lake
Comment
CAS-BOT-BC383720 Xanthium strumarium
John Thomas Howell
1946-9-8
22995
Marin
Along Redwood Highway just north of San Rafael
Comment
CAS-BOT-BC383721 Xanthium strumarium
Eric Walther
1922-10-10
s.n.
Marin
San Rafael
Comment
CAS-BOT-BC383724 Xanthium strumarium
Clare R. Wheeler
1981-5-22
2224
Mendocino
Hwy. 175 ca. 1/2 mile E of Hopland
148
Comment
CAS-BOT-BC383725 Xanthium strumarium
Clare R. Wheeler
1981-9-17
2853
Mendocino
Garcia River bed ca. 4 mi. E. of Pt. Arena. Along section of river between Eureka Hill Road and Buckridge Road
30
Comment
CAS-BOT-BC383726 Xanthium strumarium
Clare R. Wheeler; Gladys L. Smith
1981-8-3
2740
Mendocino
Gualala River gravel terrace about 4 miles E. of river mouth
15
Comment
CAS-BOT-BC383727 Xanthium strumarium
Gladys L. Smith
1983-9-6
8302
Mendocino
Along shoulder of Walker Road, 3.2 km. south of Willits, off Rte. 101
426
Comment
CAS-BOT-BC383728 Xanthium strumarium
Gladys L. Smith
1983-9-5
8286
Mendocino
Above Navarro River, Hendy Grove State Park
45
Comment
CAS-BOT-BC383729 Xanthium strumarium
Gladys L. Smith
1982-6-29
7513
Mendocino
Bar of South Fork Eel River
Comment
CAS-BOT-BC383733 Xanthium strumarium
L. R. Abrams
1920-9-30
7776
Merced
Merced River, [Merced]
Comment
CAS-BOT-BC383734 Xanthium strumarium
L. R. Abrams
1915-7-27
5303
Merced
Eastern base of Pecheco [Pacheco] Pass
Comment
CAS-BOT-BC383736 Xanthium strumarium
W. R. Dudley
1903-9-27
s.n.
Monterey
Near Castroville
Comment
CAS-BOT-BC383737 Xanthium strumarium
E. K. Abbott
1889-8-1
s.n.
Monterey
Unspecified
Comment
CAS-BOT-BC383738 Xanthium strumarium
Beatrice F. Howitt
1963-9-30
1774
Monterey
Monterey Peninsula. In the dry Salinas River bed near the bridge on Davis Road about 1/2 mi. from Reservation Rd. & west of Salinas
Comment
CAS-BOT-BC383739 Xanthium strumarium
R. E. Frenkel
1963-10-27
301
Napa
In the vinyard north of Oakville Cross Road
Comment
CAS-BOT-BC383740 Xanthium strumarium
Peter H. Raven
1951-9-9
3896
Napa
Near Slaughterhouse Pt., Napa River
0
Comment
CAS-BOT-BC383742 Xanthium strumarium
Gordon H. True
1966-10-14
3333
Nevada
Dry Creek, just east of Yuba Co. line & about 1/2 mile below Spenceville (site)
95
Comment
CAS-BOT-BC383743 Xanthium strumarium
Gordon H. True
1961-10-5
286
Nevada
G. H. True Ranch, 7 miles south-west of Grass Valley on McCourtney Road
548
Comment
CAS-BOT-BC383746 Xanthium strumarium
Carl B. Wolf
1932-7-7
3836
Orange
Bryant Ranch, Bixby Ave., 100 ft. W. of Hansen Rd. 100 ft. W. of S.E. corner of N.E. 40 of N.E. 160 of Sect. 34
Comment
CAS-BOT-BC383747 Xanthium strumarium
John Thomas Howell
1927-7-27
2854
Orange
Santa Ana River bottom, Santa Ana Canon [Canyon]
152
Comment
CAS-BOT-BC383748 Xanthium strumarium
M. A. Bradshaw
1901-10-1
s.n.
Orange
Orange
Comment
CAS-BOT-BC383749 Xanthium strumarium
John Thomas Howell
1959-9-21
34751
Plumas
Sand bars of N. Fk. of Feather River near Belden
701
Comment
CAS-BOT-BC383752 Xanthium strumarium
Steve Castagnoli; Greg de Nevers; R. Doug Stone
1980-9-12
295 c
San Bernardino
Kingston Range. At Horse Thief Springs
1414
Comment
CAS-BOT-BC383767 Xanthium strumarium
Evelina Cannon
1894-9-10
s.n.
San Francisco
Presidio, San Francisco
Comment
CAS-BOT-BC383771 Xanthium strumarium
Ernest C. Twisselmann
1954-7-18
1438
San Luis Obispo
Temblor Range and the Western San Joaquin Valley. Choice Valley: 1 1/2 miles east of Palo Prieta Summit
579
Comment
CAS-BOT-BC383772 Xanthium strumarium
Ernest C. Twisselmann
1954-7-18
1438
San Luis Obispo
Temblor Range and the Western San Joaquin Valley. Choice Valley: 1 1/2 miles east of Palo Prieta Summit
579
Comment
CAS-BOT-BC383773 Xanthium strumarium
Ernest C. Twisselmann
1958-8-27
4742
San Luis Obispo
Temblor Range and the Western San Joaquin Valley. Grant's Lake, eastern San Luis Obispo County
576
Comment
CAS-BOT-BC383774 Xanthium strumarium
Ernest C. Twisselmann
1958-8-27
4742
San Luis Obispo
Temblor Range and the Western San Joaquin Valley. Grant's Lake, eastern San Luis Obispo County
576
Comment
CAS-BOT-BC383775 Xanthium strumarium
Ernest C. Twisselmann
1967-9-8
13674
San Luis Obispo
Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann residence, Choice Valley
640
Comment
CAS-BOT-BC383776 Xanthium strumarium
Ernest C. Twisselmann
1967-9-8
13674
San Luis Obispo
Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann residence, Choice Valley
640
Comment
CAS-BOT-BC383778 Xanthium strumarium
Clare B. Hardham
1956-10-14
1461
San Luis Obispo
Santa Lucia Mountains. Oak Flat
Comment
CAS-BOT-BC383780 Xanthium strumarium
Henry M. Pollard
1957-11-1
s.n.
Santa Barbara
Near mouth of Jalama Creek (between Pt. Conception & Pt. Arguello)
Comment
CAS-BOT-BC383781 Xanthium strumarium
Henry M. Pollard
1958-11-25
s.n.
Santa Barbara
Summerland
Comment
CAS-BOT-BC383782 Xanthium strumarium
Henry M. Pollard
1958-11-25
s.n.
Santa Barbara
Summerland
Comment
CAS-BOT-BC383783 Xanthium strumarium
Henry M. Pollard
1958-12-19
s.n.
Santa Barbara
Stanwood Drive near Sheffield Reservoir, Santa Barbara
Comment
CAS-BOT-BC383788 Xanthium strumarium
John Thomas Howell
1952-10-19
28855
Santa Clara
Near Sargent
Comment
CAS-BOT-BC383789 Xanthium strumarium
John Thomas Howell
1952-10-19
28855
Santa Clara
Along highway at edge of field, near Sargent
Comment
CAS-BOT-BC383790 Xanthium strumarium
Ira L. Wiggins
1985-9-28
22300
Santa Clara
Lower bank of San Francisquito Creek, south side of bed, at Pope Street bridge, Palo Alto
Comment
CAS-BOT-BC383791 Xanthium strumarium
Ira L. Wiggins
1972-8-30
21933
Santa Clara
Dry bed of Lagunita, Stanford University Campus
Comment
CAS-BOT-BC383794 Xanthium strumarium
M. E. Clark
1909-10-9
s.n.
Santa Clara
Santa Cruz Mountain Peninsula. End of Embarcadero Road, Palo Alto
Comment
CAS-BOT-BC383795 Xanthium strumarium
E. L. H. Knoche
1929-9-2
s.n.
Santa Clara
North San Jose
Comment
CAS-BOT-BC383799 Xanthium strumarium
Alice Eastwood
1920-8-28
s.n.
Solano
Cordelia
Comment
CAS-BOT-BC383802 Xanthium strumarium
Walter Knight; Irja Knight
1963-8-31
171
Sonoma
Cor. Todd Rd & freeway
Comment
CAS-BOT-BC383803 Xanthium strumarium
F. G. Krauss
1893-10-16
s.n.
Sonoma
Petaluma Valley
Comment
CAS-BOT-BC383805 Xanthium strumarium
T. C. Fuller
1958-10-17
1445
Sutter
Channel side/west levee, Sutter By-pass, 4 mi W/Knights Landing
Comment
CAS-BOT-BC383806 Xanthium strumarium
A. C. Perrin, Jr.
1958-8-29
s.n.
Sutter
Unspecified
Comment
CAS-BOT-BC383807 Xanthium strumarium
A. C. Perrin, Jr.
1958-9-10
s.n.
Sutter
Unspecified
Comment
CAS-BOT-BC383810 Xanthium strumarium
Lowell Ahart
1982-9-9
3773
Sutter
About 1/8 mile south of the Myers home, Myers Ranch, Sutter Buttes
50
Comment
CAS-BOT-BC383811 Xanthium strumarium
T. C. Fuller
1958-10-17
s.n.
Sutter
Sutter By-pass, 4 mi. w. of Knights Landing
Comment
CAS-BOT-BC383812 Xanthium strumarium
T. C. Fuller
1958-10-17
s.n.
Sutter
4 mi. w. of Knights Landing, Sutter By-pass
Comment
CAS-BOT-BC383813 Xanthium strumarium
T. C. Fuller
1958-10-11
1445
Sutter
Channel side/west levee, Sutter By-pass, 4 mi. W/Knights Landing
Comment
CAS-BOT-BC383820 Xanthium strumarium
Ernest C. Twisselmann; Jack Zaninovich
1969-8-30
15991
Tulare
Sierra Nevada, Kern Plateau. Spanish Need [Needle] Road, 0.8 mile south of Chimney Creek bridge
1600
Comment
CAS-BOT-BC383821 Xanthium strumarium
J. Rockwell
1969-12-2
69 -0668
Tulare
Horse Creek south of Lake Kaweah
Comment
CAS-BOT-BC383822 Xanthium strumarium
Mrs. W. J. Williamson
1919-7-28
331
Tuolumne
Mormon Creek
213
Comment
CAS-BOT-BC383823 Xanthium strumarium
Ira L. Wiggins
1972-9-23
21981
Tuolumne
Shoulders of Highway 108, 1.9 mi NE of Long Barn
1554
Comment
CAS-BOT-BC383824 Xanthium strumarium
Ira L. Wiggins
1972-9-17
21939
Tuolumne
Along Meadow Drive, Twain Harte
Comment
CAS-BOT-BC383825 Xanthium strumarium
Henry M. Pollard
1945-10-27
s.n.
Ventura
Ventura River Basin. Ventura River bed, near mouth of river
Comment
CAS-BOT-BC383827 Xanthium strumarium
Henry M. Pollard
1947-12-1
s.n.
Ventura
Ventura River Basin. Ventura Oil Fields
Comment
CAS-BOT-BC383829 Xanthium strumarium
Henry M. Pollard
1947-12-1
s.n.
Ventura
Ventura River Basin. Ventura Oil Fields
Comment
CAS-BOT-BC383830 Xanthium strumarium
Henry M. Pollard
1947-11-23
s.n.
Ventura
Ventura River Basin. Mouth of Ventura River
Comment
CAS-BOT-BC383831 Xanthium strumarium
Henry M. Pollard
1960-7-28
s.n.
Ventura
Ventura River Basin. McAndrew Rd., Ojai Valley
Comment
CAS-BOT-BC383834 Xanthium strumarium
Peter H. Raven; Henry J. Thompson
1959-10-4
14591 A
Ventura
Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Bed of Calleguas Creek 1 mile north of Camarillo State Hospital
18
Comment
CAS-BOT-BC383836 Xanthium strumarium
M. P. Bellue
1931-9-24
s.n.
Yolo
West end of Yolo Causeway
Comment
CAS-BOT-BC383837 Xanthium strumarium
M. P. Bellue
1931-9-24
s.n.
Yolo
Near Yolo Causeway
Comment
CAS-BOT-BC385611 Xanthium strumarium
Cherie L. Wetzel
1969-8-18
1000
Alameda
Niles Canyon and Vicinity; By dam at eastern end of Niles Canyon
Comment
CAS-BOT-BC385612 Xanthium strumarium
Cherie L. Wetzel
1969-8-28
1020
Alameda
Niles Canyon and Vicinity; Alameda Creek at Mission Blvd.
Comment
CAS-BOT-BC385613 Xanthium strumarium
Cherie L. Wetzel
1968-11-19
528
Alameda
Niles Canyon and Vicinity; By dam west of strawberry fields.
Comment
CAS-BOT-BC385616 Xanthium strumarium
Volney Rattan
1880-8-1
s.n.
Alameda
Alameda
Comment
CAS-BOT-BC385617 Xanthium strumarium
Paul F. Covel
1937-9-10
648
Alameda
Oak. Hills
Comment
CAS-BOT-BC385618 Xanthium strumarium
M. S. Jussel
1935-12-7
s.n.
Alameda
16 Street Station, Oakland
Comment
CAS-BOT-BC385619 Xanthium strumarium
M. S. Jussel
1935-12-7
s.n.
Alameda
16th Street Station, Oakland
Comment
CAS-BOT-BC385874 Xanthium strumarium
Mary Strong Clemens
1920-9-13
s.n.
Amador
Jackson, Amador County
396
Comment
CAS-BOT-BC385875 Xanthium strumarium
Geo. Hansen
1893-7-1
700
Amador
Middle Fork
609
Comment
CAS-BOT-BC385876 Xanthium strumarium
Ernest C. Twisselmann
1954-9-1
1540
Kings
Old Tulare Lake Bed, 3 miles W of South Lake Farms, Shandon
57
Comment
CAS-BOT-BC385877 Xanthium strumarium
Ernest C. Twisselmann
1954-9-1
1540
Kings
Old Tulare Lake Bed, 3 miles W of South Lake Farms, Shandon
57
Comment
CAS-BOT-BC494121 Xanthium strumarium
William Harnach
2000-8-23
987
Sierra
Sierra Valley. 1 mi N of Loyalton on Co. Road A-24
1499
Comment
CAS-BOT-BC95720 Xanthium strumarium
Doreen Smith
2002-9-1
s.n.
Marin
Nicasio Reservoir.
Comment
CDA43144 Xanthium strumarium
David J. Keil
1991-10-26
22693
Santa Barbara
Vandenberg Air Force Base, North Base. Barka Slough, near eastern boundary of base along San Antonio Creek.
0
Comment
CDA9004 Xanthium strumarium
T. C. Fuller
1958-10-17
1704
Sutter
Channel side of west levee Sutter By-pass, 4 miles east of Knights Landing.
0
Comment
CDA9005 Xanthium strumarium
T. C. Fuller
1965-9-14
14105
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9006 Xanthium strumarium
T. C. Fuller
1965-9-14
14104 a
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9007 Xanthium strumarium
T. C. Fuller
1965-9-14
14104 b
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9011 Xanthium strumarium
M. K. Bellue
1931-9-24
Yolo
Near Yolo Causeway.
0
Comment
CDA9012 Xanthium strumarium
G. D. Barbe, T. C. Fuller, P. W. Michael
1989-9-21
4365
Yolo
East side of Yolo By-pass under railroad tressel, north of Highway 16 and I-5, approximately 5 miles east of Woodland.
0
Comment
CDA9014 Xanthium strumarium
T. C. Fuller
1965-9-14
14105
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9016 Xanthium strumarium
T. C. Fuller
1958-10-17
1707
Sutter
Channel side of west levee Sutter By-pass, 4 miles east of Knights Landing.
0
Comment
CDA9018 Xanthium strumarium
G. D. Barbe, T. C. Fuller, P. W. Michael
1989-8-29
4362
Monterey
Near abandoned barn on Jolon-King City Road, 2.5 miles south of King City.
0
Comment
CDA9019 Xanthium strumarium
T. C. Fuller
1965-9-14
14102
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9021 Xanthium strumarium
T. C. Fuller
1958-10-17
1705
Sutter
Channel side of west levee Sutter By-pass, 4 miles east of Knights Landing.
0
Comment
CDA9022 Xanthium strumarium
G. D. Barbe, T. C. Fuller, P. W. Michael
1989-8-29
4362
Monterey
Near abandoned barn on Jolon-King City Road, 2.5 miles south of King City.
0
Comment
CDA9023 Xanthium strumarium
G. D. Barbe, T. C. Fuller, P. W. Michael
1989-8-29
4362
Monterey
Near abandoned barn on Jolon-King City Road, 2.5 miles south of King City.
0
Comment
CDA9025 Xanthium strumarium
T. C. Fuller
1965-9-14
14104
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9026 Xanthium strumarium
T. C. Fuller
1965-9-14
14105
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9027 Xanthium strumarium
G. D. Barbe, T. C. Fuller, P. W. Michael
1989-9-21
4364
Yolo
East side of Yolo By-pass under railroad tressel, north of Highway 16 and I-5, approximately 5 miles east of Woodland.
0
Comment
CDA9030 Xanthium strumarium
T. C. Fuller
1965-9-14
14102
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9031 Xanthium strumarium
T. C. Fuller
1958-10-17
1706
Sutter
Channel side of west levee Sutter By-pass, 4 miles east of Knights Landing.
0
Comment
CDA9034 Xanthium strumarium
T. C. Fuller
1965-9-14
14103
Sutter
On the drying west bank of Sutter Bypass, 6 miles southeast of Robbins.
0
Comment
CDA9035 Xanthium strumarium
T. C. Fuller
1958-10-17
1445
Sutter
Channel side of west levee Sutter By-pass, 4 miles east of Knights Landing.
0
Comment
HSC12017 Xanthium strumarium
Wilbur Peterson
1970-10-31
94
Humboldt
Scotia bluffs, edge of Eel River.
Comment
HSC25958 Xanthium strumarium
Thomas W. Nelson
1970-10-31
286
Humboldt
Eel River near N end of the Scotia Bluff.
Comment
HSC37690 Xanthium strumarium
R. Sutherland
1976-8-13
31 .13876
Humboldt
In mouth of Redwood Creek at South Fork of Eel River.
88
Comment
HSC6334 Xanthium strumarium
Larry Berti
1968-6-29
Tehama
Red Bank Creek where the creek crosses Paskenta Rd.
Comment
HSC6335 Xanthium strumarium
T. F. Newman
1965-10-9
65563
Yuba
Carnes Ranch, 9 mi. N of Marysville.
Comment
HSC86152 Xanthium strumarium
Gladys L. Smith
1983-9-5
8286
Mendocino
Above Navarro River, Hendy Woods State Park.
45
Comment
HSC86153 Xanthium strumarium
Gladys L. Smith
1983-9-6
8302
Mendocino
Along shoulder of Walker Rd., 3.2 km. S of Willits, off Rte. 101
427
Comment
JEPS113953 Xanthium strumarium
W. and N. Harnach
2000-8-23
987
Sierra
Sierra Valley 1 mile north of Loyalton, CA. on Co. Road A-24
Comment
JEPS26182 Xanthium strumarium
Peter H. Raven and Henry J. Thompson
1959-9-6
14399
Los Angeles
along Malibu Creek (near mouth Malibu Creek); Santa Monica Mountains, Malibu Creek
12
Comment
JEPS41259 Xanthium strumarium
R. F. Hoover
1938-9-23
3856
Solano
in salt marsh on Benicia-Cordelia road
Comment
JEPS41266 Xanthium strumarium
W. L. Jepson
1936-8-12
17876
Humboldt
South Fork Eel River at Philipsville; South Fork Eel River, Philipsville
Comment
JOTR01296 Xanthium strumarium
Cole, James E.
1941-11-2
936
Riverside
Joshua Tree National Park. LOWER SPRING ELEVATION; SMITH WATER CANYON
Comment
JROH1318 Xanthium strumarium
John H. Thomas
1964-11-29
10536
San Mateo
Jasper Ridge Biological Preserve, Stanford University; W end of Searsville Dam
Comment
LA200272 Xanthium strumarium
T. A. Geissman;
1967-9-20
sn
Los Angeles
Santa Ynez Canyon at Sunset Blvd
Comment
OBI25765 Xanthium strumarium
David J. Keil
1980-9-17
14204
San Luis Obispo
Cyn Ranch on Shell Crk rd 6 mi N of hwy 58. Plants coll from zone around small artificial reservoir
Comment
OBI29952 Xanthium strumarium
Jim Pollard
1972-8-28
10
San Luis Obispo
Laguna Lake
Comment
OBI38417 Xanthium strumarium
Eric Wise
1981-10-23
1318
San Luis Obispo
Sinton South Pond on Shell Crk rd 6.4 mi N of hwy 58
Comment
OBI38418 Xanthium strumarium
Eric Wise
1981-9-29
1192
San Luis Obispo
Orcutt Rd, 2.3 mi S of Johnson Ave, SLO
Comment
OBI38419 Xanthium strumarium
Eric Wise
1981-10-23
1369
San Luis Obispo
Tepesquet vinyard ponds, 4-6 mi S of Shandon on San Juan rd
Comment
OBI38420 Xanthium strumarium
Eric Wise
1981-9-17
1180
San Luis Obispo
Painted Rock-Soda lake
Comment
OBI38421 Xanthium strumarium
Eric Wise
1981-9-17
1140
San Luis Obispo
Salinas river at hwy 58
Comment
OBI38422 Xanthium strumarium
Eric Wise
1981-9-17
1109
San Luis Obispo
0.9 mi N of Santa Margaria on El Camino Real, across from Union 76 Plant
Comment
OBI38423 Xanthium strumarium
Eric Wise
1981-8-7
1029
San Luis Obispo
Intersection of hwy 58 and San Juan Crk
Comment
OBI38425 Xanthium strumarium
Eric Wise
1981-6-27
733
San Luis Obispo
Alamo Crk near Twichell Res
Comment
OBI5320 Xanthium strumarium
T. C. Fuller
1965-9-14
14103
Sutter
On drying W bank of Sutter Bypass, 6 mi SE of Robbins
Comment
OBI72452 Xanthium strumarium
M. Wetherwax & E. L. Painter, E. L. Painter
2002-9-4
Cr- 366
San Luis Obispo
Camp Roberts. Along Sulphur Spring Rd, near Pipeline corossing. UTMs (NAD27) zone 10S, 705117E, 3958435N
251
Comment
OBI7978 Xanthium strumarium
Kurt R. Neisess
1976-1-2
s.n.
Orange
Along Skyline Dr in Fullerton
Comment
PGM5526 Xanthium strumarium
Beatrice F Howitt
1963-9-30
1774
Monterey
Salinas Valley, Salinas River bed @ Davis Rd Bridge, 0.5 mi from Reservation Rd
Comment
PGM765 Xanthium strumarium
Allison & Lind
1970-7-17
Monterey
Santa Lucia Mountains, Carmel Valley Rancho San Carlos Rd, Vic Carmel Valley Golf Course
Comment
POM129614 Xanthium strumarium
W. J. Williamson
1919-7-28
331
Tuolumne
Mormon Creek.
213
Comment
POM14306 Xanthium strumarium
P. A. Munz
1922-10-15
6543
Los Angeles
Claremont.
366
Comment
POM153491 Xanthium strumarium
P. A. Munz, I. M. Johnston
1928-9-4
11133
Los Angeles
south side of Newhall Tunnel
Comment
POM184070 Xanthium strumarium
P. A. Munz
1932-8-31
12811
Los Angeles
Playa del Rey
Comment
POM195492 Xanthium strumarium
A. A. Heller
1926-9-10
14334
Santa Clara
Moist clay in the bed of a winter overflow stream near the Sacramento River on the Chico-Orland Hwy
Comment
POM260658 Xanthium strumarium
M. French Gilman
1940-6-28
4290
Inyo
Cottonwood Canyon, Death Valley.
1220
Comment
POM289964 Xanthium strumarium
Arthur L. Cohen
1934-5-13
391
Kern
Kern River Park
122
Comment
POM289967 Xanthium strumarium
Lyman Benson
1929-9-20
1928
Lake
Kelseyville, N Coast Mtn Range, Clear Lake.
427
Comment
POM289971 Xanthium strumarium
Lyman Benson
1934-9-18
6201
Lake
Kelseyville; Mt. Range: Middle N. Coast; Watershed: Clear Lake
427
Comment
POM289972 Xanthium strumarium
Lyman Benson
1935-10-6
7501
Kern
Kern Canyon, Greenhorn Mountains. Kern River Watershed.
518
Comment
POM318726 Xanthium strumarium
Patricia Wilder
1962-9-3
2386
Contra Costa
Walnut Creek, on Stanley Court. Coast mtn range, San Francisco Bay watershed.
42
Comment
POM47479 Xanthium strumarium
Mary F. Spencer
1919-10-17
1643
San Diego
San Diego.
91
Comment
POM47589 Xanthium strumarium
I. M. Johnston
1924-8-29
s.n.
Orange
1 mi. N of Los Alamitos.
Comment
RSA0105858 Xanthium strumarium
Alan Romspert
2000-7-28
s.n.
San Bernardino
Santa Ana Riverbed & Jtn. RIX, outflow transect.
Comment
RSA124894 Xanthium strumarium
Allan G. O'Berg Jr.
1955-10-1
s.n.
Fresno
2.1 mi. S. of San Joaquin on w. side of Colorado Rd. along edge of cultivated cotton field.
Comment
RSA12645 Xanthium strumarium
C. B. Wolf
1934-8-16
6054
Los Angeles
peat land on Bryant Ranch east of Long Beach. 700 ft. east of center of sect. 34; 950 ft. So. of No. line of Same.
6
Comment
RSA133438 Xanthium strumarium
P. H. Raven, A. Thompson
1959-9-6
14399
Los Angeles
Near mouth of Malibu Creek. Santa Monica Mountains.
12
Comment
RSA133831 Xanthium strumarium
H. J. Thompson, P. H. Raven
1954-7-9
4356
Ventura
Calleguas Creek 1 mile north of Camarillo State Hospital.
18
Comment
RSA140811 Xanthium strumarium
John H. Thomas
1960-6-25
8790
San Mateo
Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street.
8
Comment
RSA17975 Xanthium strumarium
C. B. Wolf
1927-7-28
704
Merced
2 miles W of Los Banos, San Joaquin Valley
Comment
RSA187671 Xanthium strumarium
R. F. Thorne
1966-9-14
36668
Los Angeles
inner edge of dunes at Little Harbor
3
Comment
RSA187686 Xanthium strumarium
R. F. Thorne
1966-9-16
36706
Los Angeles
Santa Catalina Island. Hillside margin of lower reservoir w of Air Strip
442
Comment
RSA223992 Xanthium strumarium
Cherie L. Wetzel
1969-8-18
1000
Alameda
Niles Canyon and vicinity; Alameda Creek at east end of Niles Canyon by dam.
Comment
RSA277644 Xanthium strumarium
Richard L. Zembal
1974-10-20
107
Inyo
Wildhorse Spg. Plants of the China Lake Naval Weapons Center.
2009
Comment
RSA277645 Xanthium strumarium
Richard L. Zembal
1978-6-18
108
Inyo
3/4 miles N of Coso Hot Springs.
1104
Comment
RSA302009 Xanthium strumarium
J. R. Shevock
1972-9-16
2257
Los Angeles
Along Malibu Creek, Malibu Canyon.
305
Comment
RSA351762 Xanthium strumarium
P. M. Peterson
1982-6-30
653
Inyo
Death Valley National Monument; Cottonwood Mountains. Cottonwood Canyon.
853
Comment
RSA441183 Xanthium strumarium
M. B. Dunkle
1936-8-22
4856
Humboldt
Williams Grove, Eel River.
213
Comment
RSA441189 Xanthium strumarium
Robert Gustafson
1980-8-29
1864
Los Angeles
Ballona Wetlands, Area 3. Between Lincoln Blvd, Ballona Creek Channel and Marina Del Rey Channel.
Comment
RSA441190 Xanthium strumarium
F. R. Fosberg
1930-6-23
444
Los Angeles
Del Rey.
0
Comment
RSA441197 Xanthium strumarium
F. R. Fosberg
1931-10-11
7231
Ventura
Sherwood Lake, Santa Monica Mountains.
300
Comment
RSA46831 Xanthium strumarium
Doris K. Kildale
1926-8-8
2467
Humboldt
River [Rav?] - Bull Creek.
Comment
RSA50481 Xanthium strumarium
P. A. Munz, G. R. Campbell
1949-10-9
14367
Inyo
Tecopa,
427
Comment
RSA5764 Xanthium strumarium
A. A. Heller
1926-9-10
14334
Santa Clara
Moist clay in the bed of a winter overflow stream near the Sacramento River on the Chico-Orland Hwy
Comment
RSA5884 Xanthium strumarium
C. B. Wolf
1932-9-16
4102
Los Angeles
West of State Highway at SE corner of Pacific Western Oil Co. lease in 17 acre portion
2
Comment
RSA5940 Xanthium strumarium
C. B. Wolf
1932-7-7
3836
Orange
Bryant Ranch ; On Bixby Ave. 2/10 mi. W of Hansen Road. (2/10 mi. W of SE corner of NE 1/4 of NE 1/4 of sec. 34 T4S R11W)
9
Comment
RSA605811 Xanthium strumarium
L. C. Wheeler
1966-10-25
9087
Los Angeles
San Gabriel Mountains: El Encanto, San Gabriel Canyon.
Comment
RSA607958 Xanthium strumarium
L. C. Wheeler
1950-9-23
6794
Los Angeles
San Gabriel Mountains: Paloma Flat. Big Tujunga Canyon.
560
Comment
RSA610536 Xanthium strumarium
L. C. Wheeler
1968-8-20
s.n.
Los Angeles
San Gabriel Mountains: Placerita Canyon.
518
Comment
RSA632145 Xanthium strumarium
Mary DeDecker
1978-9-23
4808
Inyo
Owens Valley, north of Lone Pine;: Owens River, east of Alabama Gates
1116
Comment
RSA650348 Xanthium strumarium
D. Bartholomew
1961-6-1
s.n.
Los Angeles
Puddingstone Dam, San Dimas.
Comment
RSA679043 Xanthium strumarium
Richard L. Zembal
1978-6-18
s.n.
Inyo
North Coso Hot Springs.
Comment
RSA696052 Xanthium strumarium
Anonymous
1928-1
s.n.
Orange
Santa Ana River flats.
Comment
RSA764026 Xanthium strumarium
Doris Bowers
1968-6-28
714
Los Angeles
Diamond Bar Ranch
305
Comment
RSA93916 Xanthium strumarium
F. W. Peirson
1924-10-26
5264
Los Angeles
Arroyo Seco, below California St. bridge, Pasadena
198
Comment
RSA93918 Xanthium strumarium
F. W. Peirson
1920-8-1
2237
Ventura
6 miles west of Ventura
0
Comment
RSA93919 Xanthium strumarium
F. W. Peirson
1924-8-29
5097
Orange
Between Artesia and Huntington Beach, near county line.
Comment
RSA970 Xanthium strumarium
J. T. Howell
1927-7-27
495
Orange
Santa Ana River, Rancho Santa Ana.
152
Comment
SBBG61639 Xanthium strumarium
A. A. Heller
1926-9-10
14334
Butte
near Glenn County line, near Sacramento River, Chico-Orland Hwy
Comment
SBBG94780 Xanthium strumarium
J. Newman
-Oct-1980
47
Ventura
N of Calleguas Crk; Pacific Missile Test Center
Comment
SEINET10474067 Xanthium strumarium
Mary Susan Taylor
1974-1
Taylor 324
Butte
61
Comment
SEINET11804271 Xanthium strumarium
C. V. Braun
1976-1
214
Kern
San Joaquin Valley, 6-8 mi NW of Wasco, Sec. 10
Comment
SEINET11808326 Xanthium strumarium
S. A. Thompson, Rawlins, J. E.
1988-1
5260
Orange
Cleveland National Forest, 3.8 mi E of San Juan Hot Springs on CA 74
370
Comment
SEINET6095099 Xanthium strumarium
Unknown
1996-7-11
8899
Los Angeles
Liebre Mountains
Comment
SJSU8203 Xanthium strumarium
C. T. Osugi
1969-10-5
112
Santa Clara
Sunnyvale, 9 mi SW of San Jose
Comment
SJSU8204 Xanthium strumarium
A. I. Wilson
1967-10-12
60
San Mateo
Canada Rd by S part Crystal Springs L
Comment
UC1199227 Xanthium strumarium
Joseph P. Tracy
1921-12-11
5982
Humboldt
Alton Northern Coast Ranges, Eel River
30
Comment
UC1354220 Xanthium strumarium
P. M. Ray
1962-9-4
Napa
Napa
Comment
UC186457 Xanthium strumarium
Joseph P. Tracy
1915-9-12
4673
Humboldt
Mouth of Laribee Creek Northern Coast Ranges
60
Comment
UC36799 Xanthium strumarium
W. L. Jepson
1891-9-16
Solano
bank Sacramento River (at Rio Vista); Rio Vista, Sacramento River
Comment
UC398725 Xanthium strumarium
A. A. Heller
1926-9-10
14334
Glenn
near Sacramento River (on the Chico-Orland highway)
Comment
UCD137112 Xanthium strumarium
Beecher Crampton
1961-9-19
5975
Yolo
1.5 miles west of Winters along Putah Creek.
Comment
UCD137115 Xanthium strumarium
Charles B. Heiser Jr.
1946-9-18
s.n.
Yolo
in Putah Creek bed, near Davis.
Comment
UCD137120 Xanthium strumarium
John Thomas Howell
1952-10-19
28855
Santa Clara
near Sargent.
Comment
UCD137122 Xanthium strumarium
John Thomas Howell
1967-11-3
44056
Tulare
in irrigated part at NE corner, about 4.5 miles ENE of Pixley.
83
Comment
UCD137124 Xanthium strumarium
A. M. Shapiro
1988-10-9
s.n.
Yolo
West Sacramento, Yolo Bypass, ca. 1 km west of east levee, along north edge of railroad tracks.
Comment
UCD137127 Xanthium strumarium
Robert F. Thorne; L. Debuhr et al.
1972-10-13
42447
San Bernardino
San Gabriel Mountains. San Bernardino National Forest. Cajon Canyon along Cajon Creek due south of Lost Lake near Blue Cut.
807
Comment
UCD137129 Xanthium strumarium
Ernest C. Twisselmann
1970-10-9
17521
Fresno
Warthan Creek at the Parkfield Road.
594
Comment
UCD137131 Xanthium strumarium
Ernest C. Twisselmann
1958-8-27
4742
San Luis Obispo
Eastern San Luis Obispo County: Grant's Lake.
576
Comment
UCD137134 Xanthium strumarium
Collector Unknown
Date Unknown
s.n.
Unknown
County Unknown: Exact location unknown.
Comment
UCD137140 Xanthium strumarium
M. P. Bellue
1931-9-24
s.n.
Yolo
westend of Yolo Causeway.
Comment
UCD137149 Xanthium strumarium
Tom Ishimoto
1955-10-30
3329
Fresno
Piedra area; 1.75 miles up Fish Creek from Trimmer Route, 20 yards west of fig tree near small stream coming in from west.
Comment
UCD137151 Xanthium strumarium
James A. Lockhart
1954-6-7
s.n.
Los Angeles
Vicinity of Plant Physiology Building, U.C.L.A.
Comment
UCD137156 Xanthium strumarium
Verne Grant; Herbert L. Mason
1946-8-6
7840
Colusa
1 mile north of Butte Outing Gun Club, near Colusa.
Comment
UCD137157 Xanthium strumarium
A. A. Heller
1916-9-5
12647
Butte
8 miles N of Oroville. Dry Creek and near Durham.
Comment
UCD137158 Xanthium strumarium
Gordon Pilone
1960-10-3
53
San Bernardino
16135 South Central Ave. in Chino.
182
Comment
UCD137162 Xanthium strumarium
L. Ahart
1982-9-9
3773
Sutter
ca. 1/8 mile south of Myers home, Myers Ranch, Sutter Buttes.
Comment
UCD137163 Xanthium strumarium
A. A. Heller
1914-7-31
11629
Butte
Chico-Hamilton road, 6 miles from Chico.
Comment
UCD35199 Xanthium strumarium
Beecher Crampton
1953-9-30
1643
Sutter
Sutter Bypass, 5 miles east of Robbins.
Comment
UCD35200 Xanthium strumarium
Beecher Crampton
1953-9-30
1644
Sutter
Sutter Bypass, 5 miles east of Robbins.
Comment
UCD35486 Xanthium strumarium
Beecher Crampton
1957-4-8
3918
Solano
south bank of Putah Creek, new channel, ca. three miles south of Davis.
Comment
UCD37728 Xanthium strumarium
Beecher Crampton
1961-9-19
5976
Yolo
6 miles west of Winters, Vaca Mountains, along State Highway 128, Putah Creek Canyon.
Comment
UCD38946 Xanthium strumarium
Beecher Crampton
1961-9-19
5976
Yolo
6 miles west of Winters. Vaca Mts. Putah Creek Canyon, along State Hwy. 128.
Comment
UCD62127 Xanthium strumarium
J. Buck
2000-1
102
Sacramento
SACRAMENTO COUNTY: Cosumnes River Preserve.
Comment
UCSB36338 Xanthium strumarium
UCSB Botanical Society; Baldwin, Bruce
1979-11-2
Santa Barbara
ca. 50 m. south of golf course road; Coal Oil Point Natural Reserve, UC NLWRS, Goleta
Comment
UCSB38540 Xanthium strumarium
Lampl, Diane; Baley, David
1981-9-5
Santa Barbara
Southeast area of Cachuma Lake, where dirt road forks, 1/4 mile West of the end of the paved old highway and 1/4 mile North of Highway 154
228
Comment
UCSB43196 Xanthium strumarium
Fletcher, Martin
1979-12-7
Santa Barbara
At the head of Canada de Las Panochas
396
Comment
UCSB43197 Xanthium strumarium
Fletcher, Martin
1979-12-7
Santa Barbara
At the head of Canada de Las Panochas
396
Comment
UCSB45665 Xanthium strumarium
Ferren, Wayne
1983-7-28
Santa Barbara
10 m. north of Calle Real and 20 m. west of La Patera Lane, Goleta; Lake Los Carneros County Park
Comment
UCSB7384 Xanthium strumarium
Wedberg, H.
1958-7-15
Los Angeles
Behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns.
Comment
UCSB7385 Xanthium strumarium
Foley, Marie
1952-10-27
Santa Barbara
Foothill Rd. intersects San Marcos Rd., Santa Barbara
Comment
UCSC001485 Xanthium strumarium
Peter Kamb
1948-11-13
1295
Ventura
Sespe Creek near Little Sespe fork, above Fillmore. Sespe Creek, Little Sespe fork, Fillmore.
183
Comment
UCSC008245 Xanthium strumarium
Randall Morgan
2004-8-3
4276
Santa Cruz
Santa Cruz, San Lorenzo River
Comment
UCSC008743 Xanthium strumarium
Dylan M. Neubauer
2012-11-18
29
Santa Cruz
Watsonville, .5 miles NNW of intersection of West Beach Street and Shell Road
2
Comment
UCSC009282 Xanthium strumarium
D. Styer
2012-9-21
545
Monterey
Ft. Ord National Monument Boy Scout Lake (Region L9)
Comment
CLARK-A1528-311 Xanthium strumarium var. canadense
Fred B. Essig
1966-9-12
Riverside
Riverside
Comment
CLARK-A1528-312 Xanthium strumarium var. canadense
Ken F. Clarke
1971-9-7
Riverside
Riverside
Comment
CLARK-A1528-5392 Xanthium strumarium var. canadense
John C. Roos
1951-9-25
5279
Riverside
Riverside
259
Comment
CLARK-A1656-754 Xanthium strumarium var. canadense
Theo Glenn
1981-9-16
Riverside
San Jacinto Mountains
Comment
SEINET10948661 Xanthium strumarium var. canadense
Karen M. Meyer, Andrew Townesmith
2007-9-24
Meyer 250
Santa Clara
Henry W. Coe State Park, SW corner of park, Hunting Hollow entrance and parking area.
253
Comment
UCR118970 Xanthium strumarium var. canadense
Beecher Crampton
1961-10-25
6052
Yolo
Sacramento Valley, 2 miles west of Bryte, County Road 127, confluence of the Sacramento and Yolo Bypass.
15
Comment
UCR4709 Xanthium strumarium var. canadense
R. A. Anderson
1964-10-4
50
Santa Clara
Santa Cruz Mtns., In an open field in Chemeketa Park
284
Comment
CDA9009 Xanthium strumarium var. canadense
T. C. Fuller
1957-10-8
El Dorado
4 miles south of El Dorado.
0
Comment
HREC979 Xanthium strumarium var. canadense
H. F. Heady
1952-8-25
420
Mendocino
Pond Pasture - Hopland Field Station
Comment
SEINET10475194 Xanthium strumarium var. canadense
Mary Susan Taylor
1975-10-31
Taylor 979
Butte
Along creek, ca. 500 yds N of Pentz Rd, in Butte College Campus, ca. 12 mi S of Chico.
91
Comment
CLARK-A1528-313 Xanthium strumarium var. glabratum
John C. Roos
1951-9-25
5279
Riverside
Riverside
259
Comment
